* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; font-family: system-ui, -apple-system, Segoe UI, sans-serif; }

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #0f172a;
    color: #fff;
}
.login-card {
    width: min(400px, 92vw);
    padding: 2rem;
    background: #1e293b;
    border-radius: 16px;
}
.login-card h1 { margin: 0 0 0.5rem; font-size: 1.5rem; }
.login-sub { opacity: 0.75; font-size: 0.9rem; margin-bottom: 1.5rem; }
.login-input {
    width: 100%;
    padding: 0.75rem;
    margin: 0.35rem 0 1rem;
    border-radius: 8px;
    border: 1px solid #334155;
    background: #0f172a;
    color: #fff;
    font-size: 1.1rem;
}
.login-btn {
    width: 100%;
    padding: 0.85rem;
    border: none;
    border-radius: 10px;
    background: #16a34a;
    color: #fff;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
}
.login-error { color: #fca5a5; margin-bottom: 1rem; font-size: 0.9rem; }

.waiter-board {
    min-height: 100vh;
    background: #0f172a;
    color: #e2e8f0;
    display: flex;
    flex-direction: column;
}

.waiter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: #1e293b;
    border-bottom: 1px solid #334155;
    flex-shrink: 0;
}
.waiter-header h1 { margin: 0; font-size: 1.15rem; }
.waiter-header__sub { margin: 0.15rem 0 0; font-size: 0.8rem; opacity: 0.7; }
.waiter-header__right { display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.conn-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.6rem;
    border-radius: 999px;
    font-weight: 600;
}
.conn-badge--ok { background: #166534; color: #bbf7d0; }
.conn-badge--warn { background: #854d0e; color: #fef08a; }
.conn-badge--error { background: #991b1b; color: #fecaca; }
.conn-badge--connecting { background: #1e40af; color: #bfdbfe; }
.sync-time { font-size: 0.75rem; opacity: 0.6; }
.btn-logout {
    background: transparent;
    border: 1px solid #475569;
    color: #cbd5e1;
    padding: 0.35rem 0.75rem;
    border-radius: 8px;
    cursor: pointer;
}

.waiter-columns {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.5rem;
    padding: 0.5rem;
    overflow: hidden;
}
@media (max-width: 1100px) {
    .waiter-columns { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .waiter-columns { grid-template-columns: 1fr; }
}

.waiter-col {
    background: #1e293b;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
}
.waiter-col h2 {
    margin: 0;
    padding: 0.65rem 0.75rem;
    font-size: 0.95rem;
    border-bottom: 1px solid #334155;
    display: flex;
    justify-content: space-between;
}
.col-count {
    background: #334155;
    padding: 0.1rem 0.45rem;
    border-radius: 999px;
    font-size: 0.8rem;
}
.waiter-col__list {
    flex: 1;
    overflow-y: auto;
    padding: 0.5rem;
}

.order-card {
    background: #0f172a;
    border: 2px solid #334155;
    border-radius: 10px;
    padding: 0.65rem;
    margin-bottom: 0.5rem;
}
.order-card--alert {
    border-color: #f59e0b;
    animation: order-blink 1s ease-in-out infinite;
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.45);
}
@keyframes order-blink {
    0%, 100% { background: #0f172a; }
    50% { background: #422006; }
}
.order-card__head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.35rem;
}
.order-card__table { font-weight: 700; font-size: 1rem; }
.order-card__no { font-size: 0.75rem; opacity: 0.7; }
.order-card__time { font-size: 0.8rem; color: #fbbf24; }
.order-card__items {
    margin: 0.35rem 0;
    padding-left: 1rem;
    font-size: 0.85rem;
    line-height: 1.4;
}
.order-card__total { font-weight: 600; font-size: 0.9rem; margin-bottom: 0.5rem; }
.order-card__actions { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.order-btn {
    flex: 1;
    min-width: 44%;
    padding: 0.55rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    touch-action: manipulation;
}
.order-btn--seen { background: #2563eb; color: #fff; }
.order-btn--prep { background: #7c3aed; color: #fff; }
.order-btn--ready { background: #16a34a; color: #fff; }
.order-btn--revert { background: #f59e0b; color: #fff; }
.order-btn--dismiss { background: #64748b; color: #fff; }
.order-btn--dismiss-cleaning { background: #0e7490; color: #fff; }
.order-card--cleaning {
    border-color: #06b6d4;
    background: #042f2e;
}
.order-card--cleaning-alert {
    border-color: #22d3ee;
    animation: cleaning-blink 1.1s ease-in-out infinite;
    box-shadow: 0 0 22px rgba(34, 211, 238, 0.5);
}
@keyframes cleaning-blink {
    0%, 100% { background: #042f2e; }
    50% { background: #134e4a; }
}
.order-card__cleaning-label {
    margin: 0.35rem 0 0.2rem;
    font-weight: 700;
    color: #67e8f9;
    font-size: 0.95rem;
}
.order-card__extra-list {
    margin: 0.35rem 0 0.5rem;
    padding-left: 1.1rem;
    font-size: 0.88rem;
    font-weight: 600;
    line-height: 1.45;
}

.order-card__cleaning-note {
    margin: 0 0 0.5rem;
    font-size: 0.78rem;
    opacity: 0.85;
    color: #a5f3fc;
}
.order-card__actions { flex-wrap: wrap; }

.cart-toast {
    position: fixed;
    left: 50%;
    bottom: 5.5rem;
    transform: translateX(-50%) translateY(1rem);
    z-index: 200;
    background: #065f46;
    color: #fff;
    padding: 0.65rem 1.1rem;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s, transform 0.25s;
    max-width: calc(100% - 2rem);
    text-align: center;
}

.cart-toast--visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}