/* ============================================================
   COMPONENTES
   ============================================================ */

/* ---------- BUTTONS ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--sp-2);
    padding: var(--sp-3) var(--sp-5);
    border-radius: var(--r-md);
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.01em;
    transition: all var(--t-base);
    position: relative;
    overflow: hidden;
    min-height: 48px;
    user-select: none;
    will-change: transform;
}
.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-primary {
    background: linear-gradient(135deg, var(--gold-bright), var(--gold) 50%, var(--gold-deep));
    color: #1a1206;
    box-shadow: 0 6px 24px -8px rgba(212, 175, 55, 0.6);
}
.btn-primary:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 10px 32px -8px rgba(240, 200, 80, 0.8);
}
.btn-primary::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(120deg, transparent 30%, rgba(255,255,255,0.4), transparent 70%);
    transform: translateX(-100%);
    transition: transform var(--t-slow);
}
.btn-primary:hover::after { transform: translateX(100%); }

.btn-ghost {
    background: var(--bg-2);
    color: var(--text);
    border: 1px solid var(--border);
}
.btn-ghost:hover:not(:disabled) {
    background: var(--bg-3);
    border-color: var(--border-strong);
}

.btn-magenta {
    background: linear-gradient(135deg, var(--magenta), #c41e6f);
    color: #fff;
    box-shadow: 0 6px 24px -8px var(--magenta);
}

.btn-danger {
    background: rgba(255, 77, 87, 0.15);
    color: var(--red);
    border: 1px solid rgba(255, 77, 87, 0.3);
}

.btn-block { width: 100%; }
.btn-sm { padding: var(--sp-2) var(--sp-3); font-size: 0.85rem; min-height: 36px; }
.btn-lg { padding: var(--sp-4) var(--sp-6); font-size: 1.05rem; min-height: 56px; }

/* ---------- INPUTS ---------- */
.field {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
    margin-bottom: var(--sp-4);
}
.field label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-dim);
    font-weight: 600;
}
.input {
    width: 100%;
    padding: var(--sp-3) var(--sp-4);
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    color: var(--text);
    font-size: 1rem;
    transition: all var(--t-quick);
    min-height: 52px;
}
.input::placeholder { color: var(--text-faint); }
.input:focus {
    border-color: var(--gold);
    background: var(--bg-1);
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.1);
}

.input-prefix {
    position: relative;
}
.input-prefix .prefix {
    position: absolute;
    left: var(--sp-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-faint);
    pointer-events: none;
}
.input-prefix .input { padding-left: 2.25rem; }

/* ---------- CARDS ---------- */
.card {
    background: linear-gradient(180deg, var(--bg-2), var(--bg-1));
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: var(--sp-5);
    position: relative;
    overflow: hidden;
}

.card-glow::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, var(--gold), transparent 40%, var(--magenta) 100%);
    -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    -webkit-mask-composite: xor;
            mask-composite: exclude;
    pointer-events: none;
}

/* ---------- BADGES ---------- */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px var(--sp-2);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 999px;
    line-height: 1;
}
.badge-open    { background: rgba(74, 217, 177, 0.15);  color: var(--mint); }
.badge-locked  { background: rgba(255, 77, 87, 0.15);   color: var(--red); }
.badge-live    { background: rgba(255, 42, 142, 0.18);  color: var(--magenta); animation: pulseGold 2s infinite; }
.badge-done    { background: rgba(212, 175, 55, 0.15);  color: var(--gold); }
.badge-default { background: var(--bg-3);               color: var(--text-dim); }

.badge-live::before {
    content: '';
    width: 6px; height: 6px;
    background: var(--magenta);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--magenta);
}

/* ---------- TOASTS ---------- */
.toast-stack {
    position: fixed;
    top: calc(var(--sp-4) + env(safe-area-inset-top));
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
    width: calc(100% - var(--sp-6));
    max-width: 420px;
    pointer-events: none;
}
.toast {
    background: var(--bg-3);
    border: 1px solid var(--border-strong);
    border-radius: var(--r-md);
    padding: var(--sp-3) var(--sp-4);
    font-size: 0.9rem;
    box-shadow: var(--shadow-soft);
    animation: fadeUp 300ms;
    pointer-events: auto;
}
.toast-ok    { border-left: 3px solid var(--mint); }
.toast-err   { border-left: 3px solid var(--red); }
.toast-info  { border-left: 3px solid var(--gold); }

/* ---------- NAV INFERIOR (mobile) ---------- */
.bottom-nav {
    position: fixed;
    bottom: 0; left: 0; right: 0;
    background: rgba(10, 10, 12, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-top: 1px solid var(--border);
    padding: var(--sp-2) 0 calc(var(--sp-2) + env(safe-area-inset-bottom));
    z-index: 50;
}
.bottom-nav-inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    max-width: 480px;
    margin: 0 auto;
}
.nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: var(--sp-2);
    color: var(--text-faint);
    transition: color var(--t-quick);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}
.nav-item.active { color: var(--gold); }
.nav-item.active svg { filter: drop-shadow(0 0 6px var(--gold)); }
.nav-item svg { width: 22px; height: 22px; }

/* ---------- HEADER ---------- */
.app-header {
    padding: calc(var(--sp-4) + env(safe-area-inset-top)) var(--sp-4) var(--sp-3);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-3);
}
.brand {
    display: flex; align-items: center; gap: var(--sp-2);
}
.brand-mark {
    width: 36px; height: 36px;
    background: linear-gradient(135deg, var(--gold), var(--gold-deep));
    border-radius: 10px;
    display: grid; place-items: center;
    font-family: var(--font-display);
    font-size: 1.4rem;
    color: #1a1206;
    box-shadow: 0 4px 16px -4px rgba(212, 175, 55, 0.5);
}
.brand-text {
    font-family: var(--font-display);
    font-size: 1.4rem;
    letter-spacing: 0.04em;
}
.brand-text .accent { color: var(--gold); }

/* ---------- AVATAR ---------- */
.avatar {
    width: 36px; height: 36px;
    border-radius: 50%;
    display: grid; place-items: center;
    font-weight: 800;
    font-size: 0.9rem;
    color: var(--bg-0);
    flex-shrink: 0;
}

/* ---------- MODAL ---------- */
.modal-backdrop {
    position: fixed; inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    z-index: 100;
    display: grid;
    place-items: center;
    padding: var(--sp-4);
    animation: fadeIn 200ms;
}
.modal {
    background: var(--bg-1);
    border: 1px solid var(--border-strong);
    border-radius: var(--r-xl);
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow: auto;
    padding: var(--sp-6);
    box-shadow: var(--shadow-soft);
    animation: fadeUp 300ms;
}

/* ---------- COUNTDOWN ---------- */
.countdown {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    letter-spacing: 0.05em;
    color: var(--text-dim);
}
.countdown.urgent { color: var(--red); animation: pulseGold 1.5s infinite; }