/**
 * Alliance Hub - Theme CSS Unificado
 * Centraliza todas las variables, animaciones, utilidades y estilos custom
 * que antes estaban dispersos en <style> blocks y theme.js
 *
 * Reemplaza:
 *   - Bloques <style> duplicados en cada HTML
 *   - Inyeccion CSS de theme.js
 *   - Animaciones duplicadas (fadeIn, msgIn, pulse, etc.)
 *   - Estilos de scrollbar, modal, formularios
 */

/* ===================== CSS VARIABLES ===================== */
:root {
    --ah-bg: #0a0e27;
    --ah-card: #11183a;
    --ah-text: #e8eaf6;
    --ah-muted: #9fa8da;
    --ah-border: #1a237e;
    --ah-accent: #ff8f00;
    --ah-accent-hover: #ff6f00;
    --ah-danger: #ef5350;
    --ah-success: #4caf50;
    --ah-info: #2196f3;
    --ah-warning: #ff8f00;
}

/* ===================== THEME CLASSES (compatibilidad) ===================== */
/* Nota: se cargan DESPUES de Tailwind, asi que no necesitan !important
   para ganar en la mayoria de los casos. Si hay conflictos especificos,
   se puede restaurar !important en esas clases concretas. */
.bg-ah-bg { background-color: var(--ah-bg); }
.bg-ah-card { background-color: var(--ah-card); }
.text-ah-text { color: var(--ah-text); }
.text-ah-muted { color: var(--ah-muted); }
.text-ah-accent { color: var(--ah-accent); }
.border-ah-border { border-color: var(--ah-border); }
.border-ah-accent { border-color: var(--ah-accent); }

/* ===================== BODY BASE (reemplaza <style> duplicado) ===================== */
body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--ah-bg);
    color: var(--ah-text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===================== ANIMACIONES ===================== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

@keyframes slideUp {
    from { transform: translateX(-50%) translateY(100px); opacity: 0; }
    to { transform: translateX(-50%) translateY(0); opacity: 1; }
}

@keyframes msgIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

@keyframes dots {
    0%, 20% { content: ''; }
    40% { content: '.'; }
    60% { content: '..'; }
    80%, 100% { content: '...'; }
}

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

/* Clases de animacion reutilizables */
.fade-in { animation: fadeIn 0.6s ease-out; }
.fade-in-only { animation: fadeInOnly 0.3s ease-out; }
.msg-in { animation: msgIn 0.18s ease; }
.animate-pulse-slow { animation: pulse 2s infinite; }
.animate-spin { animation: spin 1s linear infinite; }
.slide-up { animation: slideUp 0.4s ease-out; }

/* ===================== SCROLLBAR UTILITIES ===================== */
.scrollbar-hide {
    -ms-overflow-style: none;
    scrollbar-width: none;
}
.scrollbar-hide::-webkit-scrollbar { display: none; }

.scrollbar-thin::-webkit-scrollbar { width: 3px; }
.scrollbar-thin::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 3px; }

/* ===================== MODAL ===================== */
.modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 50;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}
.modal.active { display: flex; }

/* Alias para modales que usan la clase .modal-overlay (legacy) */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 50;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}
.modal-overlay.active { display: flex; }

/* ===================== FORM INPUTS (tema oscuro) ===================== */
input.ah-input,
select.ah-input,
textarea.ah-input {
    background-color: var(--ah-card);
    border: 1px solid var(--ah-border);
    color: var(--ah-text);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    outline: none;
    transition: border-color 0.2s;
}
input.ah-input:focus,
select.ah-input:focus,
textarea.ah-input:focus {
    border-color: var(--ah-accent);
    box-shadow: 0 0 0 2px rgba(255, 143, 0, 0.2);
}

/* Fix para inputs en rankings.html que sobreescribian con !important */
input.ah-input-dark,
select.ah-input-dark,
textarea.ah-input-dark {
    background-color: var(--ah-card) !important;
    border-color: var(--ah-border) !important;
    color: var(--ah-text) !important;
}
input.ah-input-dark:focus,
select.ah-input-dark:focus,
textarea.ah-input-dark:focus {
    border-color: var(--ah-accent) !important;
    outline: none !important;
}

/* ===================== SEVERITY BADGES ===================== */
.severity-high {
    background: rgba(198, 40, 40, 0.15);
    color: #ef5350;
    border: 1px solid rgba(198, 40, 40, 0.3);
    border-radius: 0.25rem;
    padding: 0.125rem 0.5rem;
}
.severity-medium {
    background: rgba(255, 143, 0, 0.15);
    color: #ff8f00;
    border: 1px solid rgba(255, 143, 0, 0.3);
    border-radius: 0.25rem;
    padding: 0.125rem 0.5rem;
}
.severity-low {
    background: rgba(76, 175, 80, 0.15);
    color: #4caf50;
    border: 1px solid rgba(76, 175, 80, 0.3);
    border-radius: 0.25rem;
    padding: 0.125rem 0.5rem;
}

/* ===================== PRECEDENT CARD ===================== */
.precedent-card {
    transition: all 0.2s ease;
}
.precedent-card:hover {
    border-color: var(--ah-accent-hover) !important;
}

/* ===================== RULE SUBSECTIONS ===================== */
.rule-subsection {
    margin-left: 1.5rem;
    border-left: 2px solid var(--ah-border);
    padding-left: 1rem;
    margin-top: 0.5rem;
}
.rule-subsection .rule-subsection {
    margin-left: 1rem;
    border-left-color: var(--ah-accent-hover);
}

/* ===================== KILL NULLIFIED ===================== */
.kill-nullified {
    text-decoration: line-through;
    opacity: 0.5;
}

/* ===================== TOAST ===================== */
@keyframes fadeInToast {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ===================== CHAT (ex chat.html styles) ===================== */
.chan-active {
    background: #fef3c7 !important;
    border: 1px solid #f59e0b !important;
    font-weight: 700;
}
.date-sep {
    position: sticky;
    top: 4px;
    z-index: 5;
}
.bubble-mine {
    border-bottom-right-radius: 3px;
    background: #f59e0b;
    color: #1e293b;
}
.bubble-other {
    border-bottom-left-radius: 3px;
    background: #f1f5f9;
    color: #334155;
}
.dot-online {
    animation: pulse 2s infinite;
}
.scroll-btn {
    transition: opacity 0.2s, transform 0.2s;
}
.scroll-btn.hidden-btn {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
}
.msg-delivered { opacity: 0.7; }
.msg-failed {
    opacity: 0.6;
    border: 1px solid #ef4444 !important;
}
.retry-btn {
    font-size: 10px;
    color: #ef4444;
    cursor: pointer;
    text-decoration: underline;
}
.typing-dot::after {
    content: '';
    animation: dots 1.2s steps(4, end) infinite;
}

/* ===================== HERO GLOW ===================== */
.hero-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    pointer-events: none;
    z-index: 0;
}

/* ===================== STAT/FEATURE CARDS ===================== */
.stat-card,
.feature-card {
    transition: transform 0.2s;
}
.stat-card:hover,
.feature-card:hover {
    transform: translateY(-4px);
}
.feature-card {
    border: 1px solid var(--ah-border);
}
.feature-card:hover {
    border-color: var(--ah-accent-hover);
}

/* ===================== GRADIENTS ===================== */
.gradient-accent {
    background: linear-gradient(135deg, #ff6f00, #ff8f00);
}
.gradient-btn {
    background: linear-gradient(135deg, #ff6f00, #ff8f00);
    color: #fff;
}

/* ===================== UTILITY: Safe area for mobile ===================== */
.safe-bottom {
    padding-bottom: max(env(safe-area-inset-bottom, 0px), 16px);
}

/* ===================== RESPONSIVE SIDEBAR (chat) ===================== */
#chat-sidebar {
    transform: translateX(-100%);
    transition: transform 0.25s ease;
}
#chat-sidebar.open {
    transform: translateX(0);
}
@media (min-width: 768px) {
    #chat-sidebar {
        transform: none !important;
        position: relative !important;
    }
    #sidebar-overlay {
        display: none !important;
    }
}