/* ============================================================
   ESCRITÓRIO NOVA ERA — APP TRIBUTÁRIO
   Premium Professional Design System
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Instrument+Serif:ital@0;1&family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
    /* === CORE PALETTE (LIGHT — default) === */
    --bg-base:        #f5f6f8;
    --bg-elevated:    #ffffff;
    --bg-surface:     #ffffff;
    --bg-surface-hi:  #f9fafb;
    --bg-input:       #ffffff;
    --bg-overlay:     rgba(15, 23, 42, 0.45);

    /* === BORDERS === */
    --border-subtle:  #eef0f4;
    --border-default: #e1e5ec;
    --border-strong:  #c9cfdb;
    --border-focus:   #6366f1;

    /* === TEXT === */
    --text-primary:   #0f172a;
    --text-secondary: #475569;
    --text-tertiary:  #64748b;
    --text-muted:     #94a3b8;

    /* === BRAND / ACCENT === */
    --brand-50:  #eef2ff;
    --brand-100: #e0e7ff;
    --brand-300: #a5b4fc;
    --brand-400: #818cf8;
    --brand-500: #6366f1;
    --brand-600: #4f46e5;
    --brand-700: #4338ca;
    --brand-glow: rgba(99, 102, 241, 0.12);

    /* === SEMANTIC === */
    --success: #059669;
    --success-bg: rgba(5, 150, 105, 0.08);
    --success-border: rgba(5, 150, 105, 0.2);
    --warning: #d97706;
    --warning-bg: rgba(217, 119, 6, 0.08);
    --warning-border: rgba(217, 119, 6, 0.2);
    --danger: #dc2626;
    --danger-bg: rgba(220, 38, 38, 0.08);
    --danger-border: rgba(220, 38, 38, 0.2);
    --info: #0891b2;
    --info-bg: rgba(8, 145, 178, 0.08);
    --info-border: rgba(8, 145, 178, 0.2);

    /* === GRADIENTS === */
    --gradient-brand: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #ec4899 100%);
    --gradient-brand-soft: linear-gradient(135deg, rgba(99,102,241,0.10) 0%, rgba(139,92,246,0.08) 100%);
    --gradient-surface: linear-gradient(180deg, rgba(0,0,0,0.01) 0%, transparent 100%);
    --gradient-mesh: radial-gradient(at 27% 37%, hsla(238, 90%, 65%, 0.08) 0px, transparent 50%),
                     radial-gradient(at 97% 21%, hsla(280, 90%, 65%, 0.06) 0px, transparent 50%),
                     radial-gradient(at 52% 99%, hsla(195, 90%, 65%, 0.05) 0px, transparent 50%),
                     radial-gradient(at 10% 29%, hsla(256, 90%, 60%, 0.06) 0px, transparent 50%);

    /* === SHADOWS === */
    --shadow-xs: 0 1px 2px rgba(15,23,42,0.04);
    --shadow-sm: 0 1px 3px rgba(15,23,42,0.06), 0 1px 2px rgba(15,23,42,0.04);
    --shadow-md: 0 4px 12px rgba(15,23,42,0.08), 0 2px 4px rgba(15,23,42,0.04);
    --shadow-lg: 0 12px 28px rgba(15,23,42,0.12), 0 4px 10px rgba(15,23,42,0.06);
    --shadow-xl: 0 24px 56px rgba(15,23,42,0.18), 0 8px 16px rgba(15,23,42,0.08);
    --shadow-glow: 0 0 0 1px rgba(99,102,241,0.18), 0 4px 24px rgba(99,102,241,0.12);
    --shadow-inset: inset 0 1px 0 rgba(255,255,255,0.6);

    /* === RADII === */
    --r-xs: 6px;
    --r-sm: 8px;
    --r-md: 12px;
    --r-lg: 16px;
    --r-xl: 20px;
    --r-2xl: 28px;
    --r-full: 999px;

    /* === MOTION === */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --transition: 200ms var(--ease-out);
    --transition-slow: 400ms var(--ease-out);
}

/* ============================================================
   DARK THEME OVERRIDE
   ============================================================ */
[data-theme="dark"] {
    --bg-base:        #07080b;
    --bg-elevated:    #0d0f14;
    --bg-surface:     #11141b;
    --bg-surface-hi:  #161a23;
    --bg-input:       #0a0d12;
    --bg-overlay:     rgba(7, 8, 11, 0.85);

    --border-subtle:  #1a1f2b;
    --border-default: #232936;
    --border-strong:  #2d3548;

    --text-primary:   #f5f7fb;
    --text-secondary: #a4adc2;
    --text-tertiary:  #6b7388;
    --text-muted:     #4a5266;

    --brand-glow: rgba(99, 102, 241, 0.15);

    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.12);
    --success-border: rgba(16, 185, 129, 0.25);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.12);
    --warning-border: rgba(245, 158, 11, 0.25);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.12);
    --danger-border: rgba(239, 68, 68, 0.25);
    --info: #06b6d4;
    --info-bg: rgba(6, 182, 212, 0.12);
    --info-border: rgba(6, 182, 212, 0.25);

    --gradient-brand-soft: linear-gradient(135deg, rgba(99,102,241,0.15) 0%, rgba(139,92,246,0.12) 100%);
    --gradient-surface: linear-gradient(180deg, rgba(255,255,255,0.02) 0%, transparent 100%);
    --gradient-mesh: radial-gradient(at 27% 37%, hsla(238, 70%, 60%, 0.15) 0px, transparent 50%),
                     radial-gradient(at 97% 21%, hsla(280, 70%, 60%, 0.1) 0px, transparent 50%),
                     radial-gradient(at 52% 99%, hsla(195, 70%, 60%, 0.08) 0px, transparent 50%),
                     radial-gradient(at 10% 29%, hsla(256, 70%, 50%, 0.12) 0px, transparent 50%);

    --shadow-xs: 0 1px 2px rgba(0,0,0,0.4);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.5);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.5), 0 1px 3px rgba(0,0,0,0.3);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.55), 0 4px 10px rgba(0,0,0,0.3);
    --shadow-xl: 0 24px 64px rgba(0,0,0,0.65);
    --shadow-glow: 0 0 0 1px rgba(99,102,241,0.2), 0 4px 24px rgba(99,102,241,0.15);
    --shadow-inset: inset 0 1px 0 rgba(255,255,255,0.04);
}

/* Admin override for DARK */
[data-theme="dark"] body.admin {
    --gradient-brand-soft: linear-gradient(135deg, rgba(245,158,11,0.15) 0%, rgba(239,68,68,0.10) 100%);
}

/* ============================================================
   THEME TOGGLE BUTTON
   ============================================================ */
.theme-toggle {
    width: 38px;
    height: 38px;
    border-radius: var(--r-sm);
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    color: var(--text-secondary);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
    padding: 0;
}

.theme-toggle:hover {
    border-color: var(--border-strong);
    color: var(--text-primary);
    background: var(--bg-surface-hi);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    position: absolute;
    transition: all 0.4s var(--ease-out);
}

.theme-toggle .icon-sun {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.theme-toggle .icon-moon {
    opacity: 0;
    transform: rotate(-90deg) scale(0.5);
}

[data-theme="dark"] .theme-toggle .icon-sun {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
}

[data-theme="dark"] .theme-toggle .icon-moon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* Theme toggle position when fixed (login page) */
.theme-toggle-fixed {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 50;
}

@media (max-width: 768px) {
    .theme-toggle-fixed {
        top: 16px;
        right: 16px;
    }
}

* { margin: 0; padding: 0; box-sizing: border-box; }
*:focus-visible { outline: 2px solid var(--brand-500); outline-offset: 2px; }

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', -apple-system, sans-serif;
    background: var(--bg-base);
    color: var(--text-primary);
    line-height: 1.55;
    font-size: 14px;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    letter-spacing: -0.005em;
    overflow-x: hidden;
}

/* Body ambient background */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background: var(--gradient-mesh);
    opacity: 0.5;
    pointer-events: none;
    z-index: 0;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5 {
    font-family: 'Inter', sans-serif;
    letter-spacing: -0.025em;
    font-weight: 600;
    color: var(--text-primary);
}

.serif { font-family: 'Instrument Serif', serif; font-weight: 400; letter-spacing: -0.02em; }
.mono  { font-family: 'JetBrains Mono', monospace; }

/* ============================================================
   LOGIN PAGE
   ============================================================ */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    position: relative;
    z-index: 1;
}

.login-container {
    width: 100%;
    max-width: 440px;
    animation: fadeInUp 0.6s var(--ease-out);
    position: relative;
}

.login-logo {
    text-align: center;
    margin-bottom: 36px;
}

.login-logo .logo-icon {
    width: 68px;
    height: 68px;
    background: var(--gradient-brand);
    border-radius: var(--r-lg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-glow), var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.login-logo .logo-icon::before {
    content: '';
    position: absolute;
    inset: 1px;
    border-radius: calc(var(--r-lg) - 1px);
    background: linear-gradient(180deg, rgba(255,255,255,0.15) 0%, transparent 50%);
}

.login-logo h1 {
    font-family: 'Instrument Serif', serif;
    font-size: 32px;
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 6px;
}

.login-logo p {
    color: var(--text-tertiary);
    font-size: 13px;
    font-weight: 400;
    letter-spacing: 0.02em;
}

.login-box {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--r-xl);
    padding: 36px;
    box-shadow: var(--shadow-xl), var(--shadow-inset);
    backdrop-filter: blur(20px);
    position: relative;
}

.login-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--brand-500), transparent);
    opacity: 0.3;
}

.login-box h2 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 6px;
}

.login-subtitle {
    color: var(--text-tertiary);
    font-size: 13px;
    margin-bottom: 28px;
}

/* ============================================================
   FORM ELEMENTS
   ============================================================ */
.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 7px;
    letter-spacing: 0.01em;
}

.form-control {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-default);
    border-radius: var(--r-sm);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 400;
    transition: all var(--transition);
    outline: none;
    box-shadow: var(--shadow-inset);
}

.form-control:hover {
    border-color: var(--border-strong);
}

.form-control:focus {
    border-color: var(--brand-500);
    background: var(--bg-elevated);
    box-shadow: 0 0 0 3px var(--brand-glow), var(--shadow-inset);
}

.form-control::placeholder {
    color: var(--text-muted);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M3 4.5L6 7.5L9 4.5' stroke='%236b7388' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 38px;
    cursor: pointer;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 14px;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 20px;
    border: 1px solid transparent;
    border-radius: var(--r-sm);
    font-family: 'Inter', sans-serif;
    font-size: 13.5px;
    font-weight: 500;
    letter-spacing: -0.005em;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    user-select: none;
}

.btn-primary {
    background: var(--gradient-brand);
    color: #fff;
    box-shadow: 0 1px 0 rgba(255,255,255,0.1) inset, 0 4px 12px rgba(99,102,241,0.35), 0 1px 3px rgba(0,0,0,0.3);
    border-color: var(--brand-700);
}

.btn-primary::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(255,255,255,0.1), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.15) inset, 0 8px 24px rgba(99,102,241,0.5), 0 2px 6px rgba(0,0,0,0.3);
}

.btn-primary:hover::after { opacity: 1; }
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
    background: var(--bg-surface-hi);
    color: var(--text-primary);
    border-color: var(--border-default);
    box-shadow: var(--shadow-inset);
}

.btn-secondary:hover {
    background: var(--bg-surface);
    border-color: var(--border-strong);
}

.btn-success {
    background: var(--success);
    color: #fff;
    border-color: #0e9d6d;
    box-shadow: 0 1px 0 rgba(255,255,255,0.1) inset, 0 4px 12px rgba(16,185,129,0.3);
}

.btn-success:hover {
    background: #0fa372;
    transform: translateY(-1px);
    box-shadow: 0 1px 0 rgba(255,255,255,0.15) inset, 0 8px 24px rgba(16,185,129,0.4);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
    border-color: #c92a2a;
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: transparent;
}

.btn-ghost:hover {
    background: var(--bg-surface-hi);
    color: var(--text-primary);
}

.btn-sm {
    padding: 7px 12px;
    font-size: 12.5px;
    border-radius: var(--r-xs);
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn-icon-only {
    padding: 8px;
    width: 32px;
    height: 32px;
}

/* ============================================================
   APP LAYOUT
   ============================================================ */
.app-layout {
    display: flex;
    min-height: 100vh;
    position: relative;
    z-index: 1;
}

/* ============================================================
   SIDEBAR
   ============================================================ */
.sidebar {
    width: 264px;
    background: var(--bg-elevated);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: transform 0.3s var(--ease-out);
    box-shadow: var(--shadow-sm);
}

.sidebar-header {
    padding: 22px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-subtle);
}

.sidebar-header .logo-sm {
    width: 38px;
    height: 38px;
    background: var(--gradient-brand);
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(99,102,241,0.3), inset 0 1px 0 rgba(255,255,255,0.15);
    position: relative;
}

.sidebar-header .brand {
    line-height: 1.2;
}

.sidebar-header .brand-name {
    font-family: 'Instrument Serif', serif;
    font-size: 19px;
    font-weight: 400;
    letter-spacing: -0.01em;
    color: var(--text-primary);
}

.sidebar-header .brand-sub {
    display: block;
    font-size: 10.5px;
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-top: 2px;
}

.sidebar-nav {
    flex: 1;
    padding: 14px 12px;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: 20px;
}

.nav-section-title {
    font-size: 10.5px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    padding: 8px 12px 10px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 9px 12px;
    border-radius: var(--r-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
    font-size: 13.5px;
    font-weight: 500;
    text-decoration: none;
    position: relative;
    margin-bottom: 1px;
}

.nav-item:hover {
    background: var(--bg-surface);
    color: var(--text-primary);
}

.nav-item.active {
    background: var(--bg-surface-hi);
    color: var(--text-primary);
    box-shadow: var(--shadow-inset);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 18px;
    background: var(--gradient-brand);
    border-radius: 0 3px 3px 0;
}

.nav-item .nav-icon {
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    flex-shrink: 0;
}

.sidebar-footer {
    padding: 14px;
    border-top: 1px solid var(--border-subtle);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px;
    border-radius: var(--r-md);
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
}

.user-avatar {
    width: 34px;
    height: 34px;
    background: var(--gradient-brand);
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
    color: #fff;
    flex-shrink: 0;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.15);
}

.user-details {
    flex: 1;
    min-width: 0;
}

.user-details .name {
    font-size: 12.5px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
}

.user-details .role {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 1px;
}

.btn-logout {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 16px;
    padding: 6px;
    border-radius: var(--r-xs);
    transition: all var(--transition);
}

.btn-logout:hover {
    background: var(--danger-bg);
    color: var(--danger);
}

/* ============================================================
   MAIN CONTENT
   ============================================================ */
.main-content {
    flex: 1;
    margin-left: 264px;
    padding: 32px 36px;
    min-height: 100vh;
}

.page-header {
    margin-bottom: 32px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.page-header-content {
    flex: 1;
    min-width: 0;
}

.page-header h1 {
    font-family: 'Instrument Serif', serif;
    font-size: 36px;
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: 8px;
}

.page-header p {
    color: var(--text-tertiary);
    font-size: 14px;
    font-weight: 400;
    max-width: 580px;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 600;
    color: var(--brand-400);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
    padding: 4px 10px;
    border-radius: var(--r-full);
    background: var(--brand-glow);
    border: 1px solid rgba(99,102,241,0.2);
}

.eyebrow::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--brand-400);
    box-shadow: 0 0 8px var(--brand-400);
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--r-lg);
    overflow: hidden;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm), var(--shadow-inset);
    position: relative;
}

.card-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.card-header h3 {
    font-size: 15px;
    font-weight: 600;
    letter-spacing: -0.005em;
}

.card-header .card-subtitle {
    font-size: 12.5px;
    color: var(--text-tertiary);
    margin-top: 2px;
    font-weight: 400;
}

.card-body {
    padding: 24px;
}

.card-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    background: var(--bg-surface-hi);
}

/* ============================================================
   TOOL CARDS (Dashboard)
   ============================================================ */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
    gap: 18px;
}

.tool-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-subtle);
    border-radius: var(--r-lg);
    padding: 28px;
    cursor: pointer;
    transition: all var(--transition-slow);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm), var(--shadow-inset);
}

.tool-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-surface);
    pointer-events: none;
}

.tool-card::after {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--brand-500), transparent);
    opacity: 0;
    transition: opacity var(--transition);
}

.tool-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-inset);
}

.tool-card:hover::after { opacity: 0.5; }

.tool-card .tool-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--r-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 18px;
    position: relative;
    box-shadow: var(--shadow-inset);
}

.tool-card .tool-icon.gradient-1 {
    background: linear-gradient(135deg, #6366f1, #4338ca);
}

.tool-card .tool-icon.gradient-2 {
    background: linear-gradient(135deg, #10b981, #059669);
}

.tool-card .tool-icon.gradient-3 {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.tool-card h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    letter-spacing: -0.01em;
}

.tool-card p {
    color: var(--text-tertiary);
    font-size: 13px;
    line-height: 1.55;
    margin-bottom: 18px;
}

.tool-card .tool-arrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--brand-400);
    transition: gap var(--transition);
}

.tool-card:hover .tool-arrow {
    gap: 10px;
}

/* ============================================================
   TABLES
   ============================================================ */
.table-container {
    overflow-x: auto;
    background: var(--bg-surface);
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th {
    text-align: left;
    padding: 12px 20px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    border-bottom: 1px solid var(--border-subtle);
    background: var(--bg-surface-hi);
    white-space: nowrap;
}

table td {
    padding: 14px 20px;
    font-size: 13.5px;
    border-bottom: 1px solid var(--border-subtle);
    vertical-align: middle;
    color: var(--text-secondary);
}

table tr:last-child td {
    border-bottom: none;
}

table tr {
    transition: background var(--transition);
}

table tr:hover td {
    background: rgba(99,102,241,0.04);
}

table td strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* ============================================================
   BADGES
   ============================================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 9px;
    border-radius: var(--r-full);
    font-size: 11.5px;
    font-weight: 600;
    letter-spacing: 0.01em;
    border: 1px solid;
}

.badge::before {
    content: '';
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: currentColor;
}

.badge-success {
    background: var(--success-bg);
    color: var(--success);
    border-color: var(--success-border);
}

.badge-danger {
    background: var(--danger-bg);
    color: var(--danger);
    border-color: var(--danger-border);
}

.badge-info {
    background: var(--info-bg);
    color: var(--info);
    border-color: var(--info-border);
}

.badge-warning {
    background: var(--warning-bg);
    color: var(--warning);
    border-color: var(--warning-border);
}

.badge-brand {
    background: var(--brand-glow);
    color: var(--brand-400);
    border-color: rgba(99,102,241,0.25);
}

.badge-neutral {
    background: var(--bg-surface-hi);
    color: var(--text-secondary);
    border-color: var(--border-default);
}

/* ============================================================
   RESULT CARDS (Calculators)
   ============================================================ */
.result-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--r-lg);
    padding: 28px;
    margin-top: 20px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.result-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-brand);
}

.result-card.success-card::before {
    background: linear-gradient(90deg, #10b981, #34d399);
}

.result-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    font-weight: 700;
    color: var(--brand-400);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 22px;
}

.result-card.success-card .result-header {
    color: var(--success);
}

.result-header::after {
    content: '';
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--border-default), transparent);
}

.result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 11px 0;
    border-bottom: 1px solid var(--border-subtle);
}

.result-row:last-of-type {
    border-bottom: none;
}

.result-row .label {
    font-size: 13.5px;
    color: var(--text-secondary);
    font-weight: 400;
}

.result-row .value {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
}

.result-total {
    margin-top: 18px;
    padding: 18px 20px;
    background: var(--gradient-brand-soft);
    border: 1px solid rgba(99,102,241,0.25);
    border-radius: var(--r-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.result-card.success-card .result-total {
    background: linear-gradient(135deg, rgba(16,185,129,0.12), rgba(52,211,153,0.06));
    border-color: rgba(16,185,129,0.25);
}

.result-total .label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.result-total .value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 26px;
    font-weight: 700;
    color: var(--brand-300);
    letter-spacing: -0.01em;
    line-height: 1;
}

.result-card.success-card .result-total .value {
    color: #34d399;
}

/* ============================================================
   MODAL
   ============================================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-overlay);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
    animation: fadeIn 0.2s var(--ease-out);
}

.modal {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--r-xl);
    width: 100%;
    max-width: 640px;
    max-height: 92vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
    animation: scaleIn 0.25s var(--ease-out);
    position: relative;
}

.modal::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--brand-500), transparent);
    opacity: 0.4;
}

.modal-header {
    padding: 22px 26px;
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.modal-header h3 {
    font-size: 17px;
    font-weight: 600;
}

.modal-close {
    background: transparent;
    border: 1px solid transparent;
    color: var(--text-tertiary);
    font-size: 18px;
    cursor: pointer;
    padding: 6px;
    width: 30px;
    height: 30px;
    border-radius: var(--r-sm);
    transition: all var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: var(--bg-surface-hi);
    color: var(--text-primary);
    border-color: var(--border-default);
}

.modal-body {
    padding: 26px;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: 18px 26px;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    background: var(--bg-surface-hi);
    flex-shrink: 0;
}

/* ============================================================
   TOAST
   ============================================================ */
.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    padding: 14px 18px 14px 16px;
    border-radius: var(--r-md);
    font-size: 13.5px;
    font-weight: 500;
    animation: slideInRight 0.35s var(--ease-out);
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 300px;
    max-width: 400px;
    box-shadow: var(--shadow-xl);
    border: 1px solid;
    background: var(--bg-surface);
    backdrop-filter: blur(12px);
}

.toast-icon {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    flex-shrink: 0;
    color: #fff;
    font-weight: 700;
}

.toast-success {
    border-color: var(--success-border);
    color: var(--text-primary);
}
.toast-success .toast-icon { background: var(--success); }

.toast-error {
    border-color: var(--danger-border);
    color: var(--text-primary);
}
.toast-error .toast-icon { background: var(--danger); }

.toast-info {
    border-color: var(--info-border);
    color: var(--text-primary);
}
.toast-info .toast-icon { background: var(--info); }

/* ============================================================
   ALERT / INFO BOXES
   ============================================================ */
.info-box, .warning-box, .danger-box {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
    border-radius: var(--r-md);
    font-size: 13px;
    line-height: 1.55;
    margin-bottom: 20px;
    border: 1px solid;
}

.info-box {
    background: var(--info-bg);
    border-color: var(--info-border);
    color: var(--text-secondary);
}

.warning-box {
    background: var(--warning-bg);
    border-color: var(--warning-border);
    color: var(--text-secondary);
}

.danger-box {
    background: var(--danger-bg);
    border-color: var(--danger-border);
    color: var(--text-secondary);
}

.info-box::before { content: 'ⓘ'; color: var(--info); font-weight: 700; font-size: 16px; flex-shrink: 0; }
.warning-box::before { content: '⚠'; color: var(--warning); font-size: 16px; flex-shrink: 0; }
.danger-box::before { content: '✕'; color: var(--danger); font-size: 16px; flex-shrink: 0; }

/* ============================================================
   ACTION BAR
   ============================================================ */
.action-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.action-bar-left {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
}

.action-bar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.search-input {
    position: relative;
    flex: 1;
    max-width: 320px;
}

.search-input input {
    width: 100%;
    padding: 10px 14px 10px 38px;
    background: var(--bg-input);
    border: 1px solid var(--border-default);
    border-radius: var(--r-sm);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 13.5px;
    outline: none;
    transition: all var(--transition);
    box-shadow: var(--shadow-inset);
}

.search-input input:focus {
    border-color: var(--brand-500);
    background: var(--bg-elevated);
    box-shadow: 0 0 0 3px var(--brand-glow), var(--shadow-inset);
}

.search-input .search-icon {
    position: absolute;
    left: 13px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 14px;
    pointer-events: none;
}

/* ============================================================
   TABS
   ============================================================ */
.tabs {
    display: flex;
    gap: 2px;
    background: var(--bg-surface-hi);
    padding: 4px;
    border-radius: var(--r-sm);
    margin-bottom: 22px;
    border: 1px solid var(--border-subtle);
}

.tab {
    flex: 1;
    padding: 9px 16px;
    border: none;
    background: transparent;
    color: var(--text-tertiary);
    font-family: 'Inter', sans-serif;
    font-size: 12.5px;
    font-weight: 500;
    cursor: pointer;
    border-radius: var(--r-xs);
    transition: all var(--transition);
    text-align: center;
}

.tab.active {
    background: var(--bg-elevated);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

.tab:hover:not(.active) {
    color: var(--text-primary);
}

.tab-content { display: none; }
.tab-content.active { display: block; animation: fadeIn 0.2s var(--ease-out); }

/* ============================================================
   HELP / DIVIDERS / EMPTY STATE
   ============================================================ */
.help-text {
    font-size: 11.5px;
    color: var(--text-muted);
    margin-top: 5px;
    line-height: 1.5;
}

.section-divider {
    height: 1px;
    background: var(--border-subtle);
    margin: 24px 0;
}

.section-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.section-label::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-subtle);
}

.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-tertiary);
}

.empty-state .icon {
    font-size: 40px;
    margin-bottom: 16px;
    opacity: 0.4;
}

.empty-state h3 {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.empty-state p {
    font-size: 13px;
    max-width: 360px;
    margin: 0 auto;
    line-height: 1.5;
}

/* ============================================================
   LOADING
   ============================================================ */
.loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px;
    color: var(--text-muted);
    font-size: 13px;
}

.spinner {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-subtle);
    border-top-color: var(--brand-500);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-right: 10px;
}

/* ============================================================
   MOBILE MENU
   ============================================================ */
.menu-toggle {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 200;
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--r-sm);
    padding: 10px 12px;
    color: var(--text-primary);
    font-size: 16px;
    cursor: pointer;
    box-shadow: var(--shadow-md);
}

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    z-index: 99;
}

.sidebar-overlay.active {
    display: block;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.96); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(40px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
    .main-content {
        padding: 28px 24px;
    }

    .page-header h1 {
        font-size: 30px;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
        box-shadow: var(--shadow-xl);
    }

    .main-content {
        margin-left: 0;
        padding: 70px 18px 24px;
    }

    .form-row, .form-row-3 {
        grid-template-columns: 1fr;
    }

    .tools-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .page-header h1 {
        font-size: 26px;
    }

    .login-box {
        padding: 28px 22px;
    }

    .result-total .value {
        font-size: 22px;
    }

    .modal {
        max-width: 100%;
        margin: 0;
        max-height: 95vh;
    }

    .card-body, .modal-body {
        padding: 20px;
    }

    .toast-container {
        left: 12px;
        right: 12px;
        top: 12px;
    }

    .toast {
        min-width: 0;
        width: 100%;
    }
}

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-default); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    border: 2px solid var(--bg-base);
}

/* Firefox */
* { scrollbar-width: thin; scrollbar-color: var(--border-default) transparent; }

/* ============================================================
   CHECK PILLS (multi-select com visual de cards)
   ============================================================ */
.check-pill {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-subtle);
    border-radius: var(--r-md);
    cursor: pointer;
    transition: all var(--transition);
    user-select: none;
}

.check-pill:hover {
    border-color: var(--border-strong);
}

.check-pill input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--brand-500);
    cursor: pointer;
    flex-shrink: 0;
}

.check-pill-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
    flex: 1;
}

.check-pill-content strong {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-primary);
}

.check-pill-content small {
    font-size: 12px;
    color: var(--text-tertiary);
}

.check-pill:has(input:checked) {
    background: var(--brand-glow);
    border-color: var(--brand-500);
}

/* ============================================================
   UTILITY CLASSES
   ============================================================ */
.flex { display: flex; }
.flex-1 { flex: 1; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.text-sm { font-size: 12.5px; }
.text-muted { color: var(--text-tertiary); }
.text-brand { color: var(--brand-400); }
.font-mono { font-family: 'JetBrains Mono', monospace; }

/* ============================================================
   ADMIN VARIANT (orange/red gradient)
   ============================================================ */
.admin-theme .logo-sm,
.admin-theme .user-avatar {
    background: linear-gradient(135deg, #f59e0b, #ef4444);
    box-shadow: 0 2px 8px rgba(245,158,11,0.3), inset 0 1px 0 rgba(255,255,255,0.15);
}

.admin-theme .nav-item.active::before {
    background: linear-gradient(180deg, #f59e0b, #ef4444);
}