/* Professional Kitchen Display System (KDS) Stylesheet */
:root, [data-theme="royal"] {
    --kds-bg: #101216;
    --kds-header: #32070D;
    --kds-card-bg: #1F232B;
    --kds-card-border: #3D1217;
    --kds-text: #ECEFF4;
    --kds-text-muted: #9BA3B4;
    --kds-accent: #D4AF37;
    
    --col-new: #4C566A;
    --col-prep: #D08770;
    --col-ready: #A3BE8C;
    --col-urgent: #BF616A;
}

[data-theme="dark"] {
    --kds-header: #12151C;
    --kds-card-border: #272F3D;
    --kds-accent: #F59E0B;
}

[data-theme="emerald"] {
    --kds-header: #063C2E;
    --kds-card-border: #0C4E3D;
    --kds-accent: #10B981;
}

[data-theme="navy"] {
    --kds-header: #0F172A;
    --kds-card-border: #1E293B;
    --kds-accent: #38BDF8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family:KC-Gujarati,'Segoe UI', -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
}

body.kds-body {
    background-color: var(--kds-bg);
    color: var(--kds-text);
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    user-select: none;
}

/* KDS HEADER */
.kds-header {
    height: 68px;
    background-color: var(--kds-header);
    border-bottom: 2px solid var(--kds-card-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    box-shadow: 0 4px 12px rgba(0,0,0,0.5);
    z-index: 10;
}

.kds-branding {
    display: flex;
    align-items: center;
    gap: 12px;
}

.kds-logo {
    font-size: 26px;
}

.kds-title h1 {
    font-size: 1.25rem;
    font-weight: 900;
    letter-spacing: 0.5px;
    color: #FFF;
}

.kds-title p {
    font-size: 0.72rem;
    color: var(--kds-accent);
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.kds-stats-pills {
    display: flex;
    align-items: center;
    gap: 12px;
}

.kds-stat-pill {
    background-color: var(--kds-card-bg);
    border: 1px solid var(--kds-card-border);
    border-radius: 8px;
    padding: 6px 14px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    font-weight: 700;
}

.stat-val-new { color: #88C0D0; }
.stat-val-prep { color: #EBCB8B; }
.stat-val-ready { color: #A3BE8C; }

.kds-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.kds-dept-select {
    background-color: var(--kds-card-bg);
    border: 1px solid var(--kds-accent);
    color: #FFF;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.88rem;
    font-weight: 700;
    outline: none;
    cursor: pointer;
}

.kds-ctrl-btn {
    background-color: var(--kds-card-bg);
    border: 1px solid var(--kds-card-border);
    color: #FFF;
    padding: 8px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: all 0.15s;
}

.kds-ctrl-btn:hover {
    background-color: #2E3440;
    border-color: var(--kds-accent);
}

.kds-ctrl-btn.active {
    background-color: var(--col-urgent);
    border-color: var(--col-urgent);
}

.active-prep-pill {
    background: linear-gradient(135deg, rgba(208, 135, 112, 0.25), rgba(235, 203, 139, 0.15));
    border: 1px solid #D08770;
    box-shadow: 0 0 10px rgba(208, 135, 112, 0.25);
}

/* PREPARING-ONLY MAIN DISPLAY */
.kds-prep-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 14px 18px;
    overflow: hidden;
}

.kds-prep-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--kds-header);
    border: 1px solid var(--kds-card-border);
    border-radius: 10px;
    padding: 10px 18px;
    margin-bottom: 14px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.35);
}

.kds-prep-banner-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.kds-prep-live-dot {
    width: 10px;
    height: 10px;
    background: #EBCB8B;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 10px #EBCB8B;
    animation: dotPulse 1.2s infinite alternate;
}

@keyframes dotPulse {
    0% { opacity: 0.4; transform: scale(0.85); }
    100% { opacity: 1; transform: scale(1.15); }
}

.kds-prep-banner-left h2 {
    font-size: 1.15rem;
    font-weight: 900;
    letter-spacing: 0.5px;
    color: #ECEFF4;
}

.kds-prep-count-badge {
    background-color: #D08770;
    color: #181B20;
    font-weight: 900;
    font-size: 0.85rem;
    padding: 3px 12px;
    border-radius: 999px;
}

.kds-prep-banner-right {
    display: flex;
    align-items: center;
    gap: 10px;
}

.kds-tip-text {
    font-size: 0.86rem;
    color: var(--kds-text-muted);
}

.kds-tip-text b {
    color: #A3BE8C;
}

/* HIGH-VISIBILITY GRID OF PREPARING ORDERS */
.kds-prep-grid {
    flex: 1;
    overflow-y: auto;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 16px;
    align-content: start;
    padding-bottom: 24px;
}

/* EMPTY STATE */
.kds-empty-state {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 70px 20px;
    text-align: center;
    background: rgba(255,255,255,0.02);
    border: 2px dashed var(--kds-card-border);
    border-radius: 16px;
    margin: 40px auto;
    max-width: 550px;
}

.kds-empty-icon {
    font-size: 4rem;
    margin-bottom: 16px;
    animation: floatIcon 2.5s ease-in-out infinite alternate;
}

@keyframes floatIcon {
    0% { transform: translateY(0); }
    100% { transform: translateY(-8px); }
}

.kds-empty-title {
    font-size: 1.4rem;
    font-weight: 800;
    color: #ECEFF4;
    margin-bottom: 8px;
}

.kds-empty-desc {
    font-size: 0.95rem;
    color: var(--kds-text-muted);
    line-height: 1.5;
}

/* KANBAN BOARD (Legacy / Fallback support) */
.kds-board {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 16px;
    padding: 16px;
    overflow: hidden;
}

.kds-column {
    background-color: var(--kds-header);
    border: 1px solid var(--kds-card-border);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.kds-col-header {
    padding: 12px 16px;
    font-size: 1rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 2px solid;
}

.col-header-new {
    border-color: #5E81AC;
    color: #88C0D0;
    background: rgba(94, 129, 172, 0.1);
}

.col-header-prep {
    border-color: #D08770;
    color: #EBCB8B;
    background: rgba(208, 135, 112, 0.1);
}

.col-header-ready {
    border-color: #A3BE8C;
    color: #A3BE8C;
    background: rgba(163, 190, 140, 0.1);
}

.kds-col-badge {
    background-color: rgba(255,255,255,0.15);
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 0.85rem;
}

.kds-card-list {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

/* KOT CARDS */
.kot-card {
    background-color: var(--kds-card-bg);
    border-radius: 10px;
    border: 2px solid var(--kds-card-border);
    padding: 14px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    transition: transform 0.15s, border-color 0.15s;
    position: relative;
}

.kot-card.priority-urgent {
    border-color: var(--col-urgent);
    animation: urgentPulse 1.5s infinite;
}

.kot-card.is-overdue {
    border-color: #BF616A;
    background: linear-gradient(180deg, rgba(191, 97, 106, 0.15) 0%, var(--kds-card-bg) 100%);
}

@keyframes urgentPulse {
    0% { box-shadow: 0 0 0 0 rgba(191, 97, 106, 0.6); }
    70% { box-shadow: 0 0 0 8px rgba(191, 97, 106, 0); }
    100% { box-shadow: 0 0 0 0 rgba(191, 97, 106, 0); }
}

.kot-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    border-bottom: 1px solid var(--kds-card-border);
    padding-bottom: 8px;
    margin-bottom: 10px;
}

.kot-number-title {
    font-size: 1.25rem;
    font-weight: 900;
    color: #FFF;
}

.kot-dept-badge {
    display: inline-block;
    font-size: 0.68rem;
    font-weight: 800;
    text-transform: uppercase;
    background: #434C5E;
    color: #D8DEE9;
    padding: 2px 6px;
    border-radius: 4px;
    margin-top: 2px;
}

.kot-table-badge {
    text-align: right;
}

.kot-table-name {
    font-size: 1.3rem;
    font-weight: 900;
    color: var(--kds-accent);
}

.kot-guest-count {
    font-size: 0.75rem;
    color: var(--kds-text-muted);
}

.kot-timer-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #181B20;
    padding: 6px 10px;
    border-radius: 6px;
    margin-bottom: 12px;
    font-size: 0.85rem;
    font-weight: 700;
}

.timer-waiting { color: #88C0D0; }
.timer-overdue { color: #BF616A; font-weight: 900; }

.kot-items-list {
    margin-bottom: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.kot-item-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 6px 8px;
    background-color: rgba(0,0,0,0.2);
    border-radius: 6px;
    border-left: 3px solid #5E81AC;
    cursor: pointer;
    transition: all 0.15s;
}

.kot-item-row:hover {
    background-color: rgba(255,255,255,0.08);
}

.kot-item-row.item-ready {
    border-left-color: #A3BE8C;
    opacity: 0.6;
    text-decoration: line-through;
}

.kot-item-row.item-cancelled {
    border-left-color: #BF616A;
    background: rgba(191, 97, 106, 0.2);
    text-decoration: line-through;
    color: #BF616A;
}

.kot-item-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.kot-item-qty {
    font-size: 1.15rem;
    font-weight: 900;
    color: var(--kds-accent);
    min-width: 28px;
}

.kot-item-name {
    font-size: 1rem;
    font-weight: 700;
    color: #FFF;
    line-height: 1.2;
}

.kot-item-name-gu {
    font-size: 0.8rem;
    color: #88C0D0;
}

.kot-item-notes {
    font-size: 0.78rem;
    color: #EBCB8B;
    font-style: italic;
    margin-top: 2px;
}

.kot-order-notes {
    background-color: rgba(235, 203, 139, 0.1);
    border-left: 3px solid var(--kds-accent);
    padding: 6px 10px;
    font-size: 0.82rem;
    color: var(--kds-accent);
    border-radius: 4px;
    margin-bottom: 12px;
    font-weight: 600;
}

.kot-action-buttons {
    display: flex;
    gap: 8px;
}

.kot-btn {
    flex: 1;
    padding: 10px;
    font-size: 0.95rem;
    font-weight: 800;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: filter 0.15s;
}

.kot-btn:hover {
    filter: brightness(1.15);
}

.kot-btn-accept { background-color: #5E81AC; color: #FFF; }
.kot-btn-prep { background-color: #D08770; color: #181B20; }
.kot-btn-ready { background-color: #A3BE8C; color: #181B20; font-size: 1.05rem; }
.kot-btn-served { background-color: #4C566A; color: #ECEFF4; }
.kot-btn-print { background-color: #3B4252; color: #D8DEE9; max-width: 44px; }