/* ==========================================================================
   KAIROS STUDIO - Portal Privado
   Estilos Globais — Dark Premium
   ========================================================================== */

:root {
    /* Paleta Kairos Studio */
    --bg-base: #0A0A0A;
    --bg-card: #141414;
    --bg-elev: #1A1A1A;
    --bg-input: #1F1F1F;
    --gold: #C9A96E;
    --gold-soft: #D4B97D;
    --gold-deep: #A88950;
    --gold-glow: rgba(201, 169, 110, 0.15);
    --text-pri: #FFFFFF;
    --text-sec: #A0A0A0;
    --text-mut: #6E6E6E;
    --border: #2A2A2A;
    --border-gold: #C9A96E;
    --erro: #E26B6B;
    --sucesso: #6EC288;
    --aviso: #E8B95C;

    /* Sombras */
    --sombra-suave: 0 2px 12px rgba(0, 0, 0, 0.5);
    --sombra-media: 0 6px 24px rgba(0, 0, 0, 0.6);
    --sombra-forte: 0 12px 48px rgba(0, 0, 0, 0.75);
    --sombra-gold: 0 4px 24px rgba(201, 169, 110, 0.25);

    /* Bordas */
    --raio-pequeno: 4px;
    --raio-medio: 8px;
    --raio-grande: 14px;
    --raio-pill: 9999px;

    /* Espaçamentos */
    --esp-xs: 4px;
    --esp-sm: 8px;
    --esp-md: 16px;
    --esp-lg: 24px;
    --esp-xl: 32px;
    --esp-2xl: 48px;
    --esp-3xl: 64px;

    /* Tipografia */
    --fonte-titulo: 'Playfair Display', Georgia, serif;
    --fonte-corpo: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--fonte-corpo);
    color: var(--text-pri);
    background-color: var(--bg-base);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--fonte-titulo);
    color: var(--text-pri);
    font-weight: 500;
    line-height: 1.25;
    letter-spacing: 0.3px;
}

a {
    color: var(--gold);
    text-decoration: none;
    transition: color 0.2s ease;
}
a:hover { color: var(--gold-soft); }

button { font-family: var(--fonte-corpo); cursor: pointer; border: none; transition: all 0.2s ease; }
input, select, textarea { font-family: var(--fonte-corpo); font-size: 14px; }
img { max-width: 100%; display: block; }

::selection { background: var(--gold); color: var(--bg-base); }

/* ==========================================================================
   Botões
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--esp-sm);
    padding: 14px 28px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--raio-pequeno);
    cursor: pointer;
    transition: all 0.25s ease;
    border: 1px solid transparent;
    text-decoration: none;
    line-height: 1;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    font-family: var(--fonte-corpo);
    min-height: 48px;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

/* Active state visual em touch */
.btn:active { transform: scale(0.98); }

.btn-primary {
    background: var(--gold);
    color: var(--bg-base);
    border-color: var(--gold);
}
.btn-primary:hover {
    background: var(--gold-soft);
    border-color: var(--gold-soft);
    color: var(--bg-base);
    box-shadow: var(--sombra-gold);
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent;
    color: var(--gold);
    border-color: var(--gold);
}
.btn-secondary:hover {
    background: var(--gold);
    color: var(--bg-base);
}

.btn-ghost {
    background: transparent;
    color: var(--text-sec);
    border-color: transparent;
    text-transform: none;
    letter-spacing: 0.3px;
    padding: 10px 16px;
}
.btn-ghost:hover {
    color: var(--gold);
    background: var(--gold-glow);
}

.btn-danger {
    background: transparent;
    color: var(--erro);
    border-color: var(--erro);
}
.btn-danger:hover {
    background: var(--erro);
    color: var(--bg-base);
}

.btn-sm {
    padding: 10px 16px;
    font-size: 12px;
    letter-spacing: 0.8px;
    min-height: 40px;
}

.btn-block { width: 100%; }

/* ==========================================================================
   Forms
   ========================================================================== */

.form-group { margin-bottom: var(--esp-lg); }

.form-label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-sec);
    margin-bottom: var(--esp-sm);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 14px 16px;
    /* iOS faz zoom em inputs <16px ao focar; manter ≥16px */
    font-size: 16px;
    border: 1px solid var(--border);
    border-radius: var(--raio-pequeno);
    background: var(--bg-input);
    color: var(--text-pri);
    transition: all 0.2s ease;
    font-family: var(--fonte-corpo);
    min-height: 48px;
    -webkit-appearance: none;
    appearance: none;
}

@media (min-width: 1025px) {
    /* Em desktop pode reduzir para 14px (sem zoom em desktop) */
    .form-input, .form-select, .form-textarea { font-size: 14px; }
}

.form-textarea { resize: vertical; min-height: 100px; line-height: 1.6; }

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--gold);
    box-shadow: 0 0 0 3px var(--gold-glow);
}

.form-input::placeholder,
.form-textarea::placeholder { color: var(--text-mut); }

.form-input.disabled,
.form-input:disabled {
    background: #0F0F0F;
    cursor: not-allowed;
    color: var(--text-mut);
}

.form-error {
    color: var(--erro);
    font-size: 12px;
    margin-top: var(--esp-sm);
    display: none;
}
.form-error.show { display: block; }

.form-helper {
    font-size: 11px;
    color: var(--text-mut);
    margin-top: var(--esp-xs);
    letter-spacing: 0.3px;
}

/* Toggle / switch */
.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}
.switch input { opacity: 0; width: 0; height: 0; }
.switch-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--border);
    transition: 0.25s;
    border-radius: var(--raio-pill);
}
.switch-slider:before {
    position: absolute;
    content: '';
    height: 18px;
    width: 18px;
    left: 3px;
    top: 3px;
    background: var(--text-pri);
    transition: 0.25s;
    border-radius: 50%;
}
.switch input:checked + .switch-slider { background: var(--gold); }
.switch input:checked + .switch-slider:before { transform: translateX(20px); background: var(--bg-base); }

.switch-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--esp-md);
    border: 1px solid var(--border);
    border-radius: var(--raio-pequeno);
    background: var(--bg-input);
}

/* ==========================================================================
   Alerts
   ========================================================================== */

.alert {
    padding: 13px 18px;
    border-radius: var(--raio-pequeno);
    margin-bottom: var(--esp-md);
    font-size: 13px;
    display: none;
    border-left: 3px solid;
    background: var(--bg-card);
}
.alert.show { display: block; animation: slideDown 0.25s ease; }
.alert-error { color: var(--erro); border-color: var(--erro); }
.alert-success { color: var(--sucesso); border-color: var(--sucesso); }
.alert-warning { color: var(--aviso); border-color: var(--aviso); }

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   Badges
   ========================================================================== */

.badge {
    display: inline-block;
    padding: 4px 10px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--raio-pequeno);
    border: 1px solid;
}

.badge-importante {
    background: var(--gold);
    color: var(--bg-base);
    border-color: var(--gold);
}

.badge-categoria {
    background: transparent;
    color: var(--gold);
    border-color: var(--gold-deep);
}

.badge-novo {
    background: var(--sucesso);
    color: var(--bg-base);
    border-color: var(--sucesso);
}

.badge-status {
    padding: 4px 10px;
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    border-radius: var(--raio-pill);
    display: inline-block;
}
.badge-ativo { background: rgba(110, 194, 136, 0.15); color: var(--sucesso); }
.badge-inativo { background: rgba(110, 110, 110, 0.15); color: var(--text-mut); }
.badge-pendente { background: rgba(232, 185, 92, 0.15); color: var(--aviso); }

/* ==========================================================================
   Utilitários
   ========================================================================== */

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--esp-lg);
}

.text-center { text-align: center; }
.text-gold { color: var(--gold); }
.text-mut { color: var(--text-mut); }
.mt-sm { margin-top: var(--esp-sm); }
.mt-md { margin-top: var(--esp-md); }
.mt-lg { margin-top: var(--esp-lg); }
.mt-xl { margin-top: var(--esp-xl); }
.hidden { display: none !important; }

.divider-gold {
    width: 60px;
    height: 1px;
    background: var(--gold);
    margin: var(--esp-md) auto;
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-base); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: var(--raio-pill); }
::-webkit-scrollbar-thumb:hover { background: var(--gold-deep); }

/* ==========================================================================
   Toast premium (canto inferior esquerdo) + Confirm/Prompt modais
   ========================================================================== */

.kairos-toast-container {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
    max-width: calc(100vw - 40px);
}

.kairos-toast {
    pointer-events: auto;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 4px solid var(--gold);
    border-radius: 6px;
    padding: 12px 16px;
    color: var(--text-pri);
    font-size: 13px;
    line-height: 1.4;
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 260px;
    max-width: 380px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.5);
    transform: translateX(-120%);
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    cursor: pointer;
}
.kairos-toast.show { transform: translateX(0); opacity: 1; }

.kairos-toast-success { border-left-color: var(--sucesso); }
.kairos-toast-error   { border-left-color: var(--erro); }
.kairos-toast-warning { border-left-color: var(--aviso); }
.kairos-toast-info    { border-left-color: var(--gold); }

.kairos-toast-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    color: var(--bg-base);
}
.kairos-toast-success .kairos-toast-icon { background: var(--sucesso); }
.kairos-toast-error   .kairos-toast-icon { background: var(--erro); }
.kairos-toast-warning .kairos-toast-icon { background: var(--aviso); }
.kairos-toast-info    .kairos-toast-icon { background: var(--gold); }

.kairos-toast-msg { flex: 1; word-break: break-word; }

@media (max-width: 600px) {
    .kairos-toast-container { left: 12px; right: 12px; bottom: calc(72px + env(safe-area-inset-bottom)); }
    .kairos-toast { min-width: 0; max-width: 100%; }
}

/* Confirm/Prompt modal */
.kairos-confirm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    transition: opacity 0.2s ease;
    backdrop-filter: blur(6px);
}
.kairos-confirm-overlay.show { opacity: 1; }

.kairos-confirm-modal {
    background: var(--bg-card);
    border: 1px solid var(--gold-deep);
    border-radius: 8px;
    padding: 24px;
    max-width: 420px;
    width: 100%;
    box-shadow: 0 12px 48px rgba(0,0,0,0.7);
    transform: translateY(-10px);
    transition: transform 0.2s ease;
}
.kairos-confirm-overlay.show .kairos-confirm-modal { transform: translateY(0); }

.kairos-confirm-msg {
    color: var(--text-pri);
    font-size: 15px;
    line-height: 1.5;
    margin-bottom: 18px;
    white-space: pre-line;
}

.kairos-prompt-input { margin-bottom: 18px; }

.kairos-confirm-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

/* ==========================================================================
   Touch & motion
   ========================================================================== */

button, a, .btn, [role="button"] {
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}

/* Hover só em dispositivos que suportam (não em touch puro) */
@media (hover: none) {
    .btn-primary:hover, .btn-secondary:hover, .btn-ghost:hover,
    .video-card:hover, .pdf-card:hover, .stat-card:hover,
    .message-card:hover { transform: none !important; box-shadow: none !important; }
}

/* prefers-reduced-motion: respeitar preferência do usuário */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
        scroll-behavior: auto !important;
    }
}

/* Container max-width adaptativo */
@media (max-width: 768px) {
    .container { padding: 0 16px; }
    h1 { font-size: 24px; }
    h2 { font-size: 20px; }
    h3 { font-size: 17px; }
}