/* --- CSS VARIABLES (Pembolehubah Warna & Tema) --- */
:root {
  --color-bg: #060c12;
  --color-text: #f1f5f9;
  --color-text-muted: #94a3b8;
  --color-text-dark: #001a0a;
  
  --color-green: #22c55e;
  --color-green-dim: rgba(34, 197, 94, 0.1);
  --color-green-hover: #16a34a;
  
  --color-pink: rgba(214, 51, 132, 0.95);
  --color-pink-dim: rgba(214, 51, 132, 0.1);
  
  --color-blue: rgba(37, 99, 235, 0.95);
  --color-blue-dim: rgba(37, 99, 235, 0.1);
  
  --color-gold: #d4a017;
  --color-red: #ef4444;
  --color-red-dim: rgba(239, 68, 68, 0.08);
  --color-orange: #f59e0b;
  --color-orange-dim: rgba(245, 158, 11, 0.12);
  
  --color-border: rgba(255, 255, 255, 0.08);
  --color-bg-card: rgba(255, 255, 255, 0.03);
  
  --font-main: 'Segoe UI', system-ui, sans-serif;
}

/* --- ASAS TEMA (Base) --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { background: var(--color-bg); color: var(--color-text); font-family: var(--font-main); }
input[type=number]::-webkit-inner-spin-button, input[type=number]::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
input[type=number] { -moz-appearance: textfield; appearance: textfield; }
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: rgba(255, 255, 255, 0.03); }
::-webkit-scrollbar-thumb { background: rgba(255, 255, 255, 0.15); border-radius: 3px; }

/* --- KONTENA UTAMA APPLIKASI --- */
.app-container { min-height: 100vh; background: radial-gradient(ellipse at 50% 0%, #0d2318 0%, #07100f 45%, #060c12 100%); padding: 40px 24px 80px; }
.header-section { text-align: center; margin-bottom: 40px; }
.header-subtitle { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: 6px; color: var(--color-green); text-transform: uppercase; margin-bottom: 12px; opacity: 0.9; border-bottom: 2px solid rgba(34, 197, 94, 0.4); padding-bottom: 8px; }
.header-title { font-size: 34px; font-weight: 900; margin: 0 0 8px; letter-spacing: -0.5px; }
.header-desc { color: var(--color-text-muted); font-size: 15px; margin: 0; font-weight: 500; }

/* --- STEP BAR PANDUAN --- */
.step-bar { display: flex; justify-content: center; align-items: flex-start; margin-top: 28px; }
.step-item { display: flex; align-items: center; }
.step-circle-wrapper { display: flex; flex-direction: column; align-items: center; transition: all 0.3s; }
.step-circle { width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 16px; font-weight: 800; border: 1px solid rgba(255,255,255,0.1); color: #64748b; background: rgba(255,255,255,0.04); }
.step-circle.active { border: 2.5px solid var(--color-green); color: var(--color-green); box-shadow: 0 0 15px rgba(34, 197, 94, 0.2); background: transparent; }
.step-circle.done { background: var(--color-green); color: var(--color-text-dark); border: none; cursor: pointer; }
.step-label { font-size: 12px; font-weight: 500; color: #64748b; margin-top: 8px; }
.step-label.active { font-weight: 700; color: var(--color-green); }
.step-line { width: 80px; height: 2px; background: rgba(255,255,255,0.1); margin: 0 8px 26px; }
.step-line.done { background: var(--color-green); }

/* --- REKA BENTUK LANGKAH (Steps Container) --- */
.step-container { margin: 0 auto; }
.step-container.sm { max-width: 700px; }
.step-container.lg { max-width: 1320px; }
.step-indicator { font-size: 12px; color: var(--color-green); font-weight: 700; letter-spacing: 3px; margin-bottom: 8px; }
.step-heading { color: var(--color-text); font-size: 28px; margin: 0 0 8px; font-weight: 800; }
.step-desc { color: var(--color-text-muted); font-size: 15px; margin: 0 0 32px; }
.section-label { font-size: 13px; color: var(--color-text-muted); font-weight: 600; letter-spacing: 2px; margin-bottom: 12px; }

/* --- KAD PILIHAN (Card Items) --- */
.card-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 32px; }
.card-item { padding: 20px; border-radius: 16px; cursor: pointer; border: 2px solid var(--color-border); background: var(--color-bg-card); display: flex; align-items: center; gap: 16px; transition: all 0.2s; }
.card-item.active { border-color: var(--color-green); background: var(--color-green-dim); }
.card-icon { font-size: 28px; }
.card-title { font-size: 16px; font-weight: 800; color: var(--color-text); }
.card-subtitle { font-size: 13px; color: var(--color-text-muted); margin-top: 4px; }
.card-highlight { font-size: 13px; color: var(--color-green); margin-top: 2px; font-weight: 600; }
.card-check { margin-left: auto; width: 24px; height: 24px; border-radius: 50%; background: var(--color-green); display: flex; align-items: center; justify-content: center; font-size: 12px; color: var(--color-text-dark); font-weight: 900; flex-shrink: 0; }

/* --- BUTANG KAWALAN (Buttons) --- */
.btn-primary { width: 100%; padding: 18px; border-radius: 12px; font-size: 16px; font-weight: 800; border: none; background: linear-gradient(135deg, #16a34a, #15803d); color: white; cursor: pointer; box-shadow: 0 8px 20px rgba(22, 163, 74, 0.3); }
.btn-primary:disabled { background: #334155; color: var(--color-text-muted); cursor: not-allowed; box-shadow: none; }
.btn-secondary { padding: 16px; border-radius: 12px; font-size: 15px; font-weight: 600; border: 2px solid rgba(255,255,255,0.1); background: transparent; color: #cbd5e1; cursor: pointer; transition: all 0.2s; }
.btn-actions-group { display: flex; gap: 10px; flex-wrap: wrap; }
.btn-action { padding: 10px 18px; border-radius: 8px; cursor: pointer; font-size: 13px; font-weight: 700; }
.btn-action.outline-green { border: 1.5px solid rgba(34,197,94,0.4); background: var(--color-green-dim); color: var(--color-green); }
.btn-action.outline-gray { border: 1.5px solid rgba(255,255,255,0.15); background: rgba(255,255,255,0.02); color: #e2e8f0; }
.btn-action.outline-blue { border: 1.5px solid rgba(96,165,250,0.4); background: rgba(96,165,250,0.1); color: #60a5fa; }
.btn-action.outline-red { border: 1px solid rgba(239,68,68,0.3); background: rgba(239,68,68,0.05); color: var(--color-red); padding: 14px 30px; font-size: 14px; border-radius: 10px; width: 100%; }
.btn-flex-row { display: flex; gap: 16px; margin-top: 24px; }
.btn-flex-1 { flex: 1; } .btn-flex-2 { flex: 2; }

/* --- JADUAL PESERTA (Participant Rows) --- */
.grid-participant { display: grid; grid-template-columns: 1fr 110px 110px; gap: 12px; }
.row-header { padding: 10px 20px 14px; border-bottom: 2px solid var(--color-border); }
.row-header-title { font-size: 13px; font-weight: 600; color: var(--color-text-muted); }
.col-pink { font-size: 13px; font-weight: 700; color: var(--color-pink); text-align: center; }
.col-blue { font-size: 13px; font-weight: 700; color: var(--color-blue); text-align: center; }
.row-item { align-items: center; padding: 14px 20px; border-bottom: 1px solid rgba(255,255,255,0.05); transition: all 0.2s; }
.row-item.active { background: rgba(34, 197, 94, 0.04); }
.rank-badge { width: 38px; height: 38px; border-radius: 8px; font-size: 12px; font-weight: 800; display: flex; align-items: center; justify-content: center; flex-shrink: 0; border: 1px solid rgba(255,255,255,0.1); background: rgba(255,255,255,0.03); color: var(--color-text-muted); }
.row-item.active .rank-badge { border-color: rgba(34,197,94,0.4); background: var(--color-green-dim); color: var(--color-green); }
.rank-label { font-size: 15px; font-weight: 600; color: #cbd5e1; }
.row-item.active .rank-label { color: var(--color-text); }
.input-num { width: 100%; padding: 10px 0; text-align: center; border-radius: 8px; font-size: 18px; font-weight: 800; outline: none; }
.input-num.pink { background: var(--color-pink-dim); border: 1.5px solid rgba(214, 51, 132, 0.3); color: var(--color-pink); }
.input-num.blue { background: var(--color-blue-dim); border: 1.5px solid rgba(37, 99, 235, 0.3); color: var(--color-blue); }

/* --- INFO KAPASITI (Summary Box) --- */
.summary-box { margin-top: 20px; padding: 16px 24px; border-radius: 12px; border: 2px solid rgba(34,197,94,0.3); background: var(--color-green-dim); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 16px; color: #cbd5e1; }
.summary-box.over { border-color: rgba(239,68,68,0.4); background: var(--color-red-dim); }
.summary-box .text-strong { color: var(--color-text); font-size: 18px; font-weight: bold; }
.summary-box.over .text-alert { color: var(--color-red); }

/* --- SUSUNAN KANVAS & TOOLBAR --- */
.canvas-layout { display: flex; gap: 20px; align-items: flex-start; }
.sidebar-tools { width: 260px; flex-shrink: 0; display: flex; flex-direction: column; gap: 16px; }
.tool-card { background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: 12px; padding: 18px; }
.tool-title { font-size: 11px; color: var(--color-green); font-weight: 700; letter-spacing: 2px; margin-bottom: 12px; }
.btn-add-table { width: 100%; padding: 12px 0; border-radius: 8px; cursor: pointer; font-size: 14px; font-weight: 700; border: 1.5px solid rgba(34,197,94,0.35); background: var(--color-green-dim); color: var(--color-green); }
.chair-btn-group { display: flex; flex-direction: column; gap: 6px; }
.chair-btn-row { display: flex; gap: 6px; }
.btn-add-chair { flex: 1; padding: 8px 4px; border-radius: 6px; cursor: pointer; font-size: 11px; font-weight: 800; }
.btn-add-chair.pink { border: 1px solid rgba(214,51,132,0.35); background: var(--color-pink-dim); color: var(--color-pink); }
.btn-add-chair.blue { border: 1px solid rgba(37,99,235,0.35); background: var(--color-blue-dim); color: var(--color-blue); }
.legend-item { display: flex; align-items: center; gap: 10px; font-size: 13px; color: #cbd5e1; margin-bottom: 10px; }
.legend-box { width: 20px; height: 16px; border-radius: 4px; flex-shrink: 0; }

/* --- KAWASAN KANVAS (Canvas Area) --- */
.canvas-main { flex: 1; display: flex; flex-direction: column; gap: 12px; min-width: 0; }
.canvas-header { display: flex; justify-content: space-between; align-items: center; padding: 12px 20px; background: var(--color-bg-card); border: 1px solid var(--color-border); border-radius: 10px; flex-wrap: wrap; gap: 8px; }
.canvas-header-title { font-size: 14px; color: var(--color-green); font-weight: 800; }
.canvas-header-hint { font-size: 12px; color: var(--color-text-muted); font-weight: 500; }
.canvas-wrapper { overflow-x: auto; border-radius: 12px; border: 2px solid rgba(255,255,255,0.12); box-shadow: 0 10px 30px rgba(0,0,0,0.5); }
.canvas-board { position: relative; background: #091510; user-select: none; }
.canvas-grid-svg { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.canvas-door-label { position: absolute; top: 12px; padding: 6px 30px; border-radius: 6px; background: #0d1f17; border: 1px solid rgba(255,255,255,0.18); font-size: 11px; font-weight: 700; color: rgba(255,255,255,0.5); letter-spacing: 2px; pointer-events: none; white-space: nowrap; transform: translateX(-50%); }
.canvas-front-label { position: absolute; bottom: 24px; padding: 8px 40px; border-radius: 8px; background: rgba(34,197,94,0.07); border: 1.5px solid rgba(34,197,94,0.3); font-size: 12px; font-weight: 800; color: rgba(34,197,94,0.8); letter-spacing: 3px; pointer-events: none; white-space: nowrap; transform: translateX(-50%); }

/* --- OBJEK KANVAS (Meja & Kerusi) --- */
.obj-table { position: absolute; transform-origin: center center; display: flex; align-items: center; justify-content: center; border-radius: 8px; user-select: none; }
.obj-table.normal { background: rgba(255,255,255,0.05); border: 2px solid rgba(255,255,255,0.22); }
.obj-table.selected { background: rgba(34,197,94,0.1); border: 2px solid rgba(34,197,94,0.8); box-shadow: 0 0 0 4px rgba(34,197,94,0.2); z-index: 60 !important; }
.obj-table-label { font-size: 13px; color: rgba(255,255,255,0.3); font-weight: 600; letter-spacing: 1px; pointer-events: none; }

.obj-chair { position: absolute; border-radius: 8px; display: flex; flex-direction: column; align-items: center; justify-content: center; user-select: none; }
.obj-chair.vip { background: var(--color-gold); box-shadow: 0 0 10px rgba(212,160,23,0.6); color: #1a0800; }
.obj-chair.female { background: var(--color-pink); color: white; }
.obj-chair.male { background: var(--color-blue); color: white; }
.obj-chair.normal { border: 2px solid rgba(255,255,255,0.15); }
.obj-chair.selected { border: 2px solid #fff; box-shadow: 0 0 0 4px rgba(255,255,255,0.4); z-index: 200 !important; }
.obj-chair-rank { font-size: 11px; font-weight: 900; line-height: 1; pointer-events: none; }
.obj-chair-gender { font-size: 8px; opacity: 0.8; margin-top: 2px; font-weight: 600; pointer-events: none; }

.obj-locked-icon { position: absolute; font-size: 10px; top: 2px; right: 3px; pointer-events: none; }
.obj-table .obj-locked-icon { font-size: 14px; top: 6px; right: 8px; opacity: 0.8; }
.obj-resize-handle { position: absolute; right: 0; bottom: 0; cursor: nwse-resize; display: flex; align-items: center; justify-content: center; z-index: 10; border-top-left-radius: 6px; }
.obj-chair .obj-resize-handle { width: 18px; height: 18px; background: rgba(255,255,255,0.9); }
.obj-chair .obj-resize-handle span { font-size: 10px; color: #000; font-weight: 900; pointer-events: none; }
.obj-table .obj-resize-handle { width: 26px; height: 26px; background: rgba(34,197,94,0.85); border-top-left-radius: 8px; }
.obj-table .obj-resize-handle span { font-size: 12px; color: #001a0a; font-weight: 900; pointer-events: none; }

/* --- PANEL EDIT (Popup Menu) --- */
.edit-panel { position: fixed; width: 290px; z-index: 9999; background: #0f1f19; border: 2px solid rgba(34,197,94,0.55); border-radius: 12px; padding: 18px; box-shadow: 0 12px 40px rgba(0,0,0,0.85); }
.panel-locked-alert { display: flex; align-items: center; gap: 8px; padding: 8px 12px; border-radius: 8px; background: var(--color-orange-dim); border: 1px solid rgba(245, 158, 11, 0.35); margin-bottom: 12px; }
.panel-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.panel-title-wrap { display: flex; align-items: center; gap: 8px; }
.panel-color-box { width: 14px; height: 14px; border-radius: 4px; flex-shrink: 0; }
.panel-title { font-size: 13px; color: var(--color-green); font-weight: 800; }
.panel-close-btn { background: none; border: none; cursor: pointer; font-size: 18px; color: #9ca3af; line-height: 1; }
.panel-section-title { font-size: 10px; color: #9ca3af; font-weight: 600; letter-spacing: 1px; margin-bottom: 6px; }
.panel-grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 5px; margin-bottom: 14px; }
.panel-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-bottom: 18px; }
.panel-grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 6px; }

.panel-btn { border-radius: 6px; cursor: pointer; border: 1.5px solid rgba(255,255,255,0.1); background: transparent; color: #cbd5e1; }
.panel-btn.rank { padding: 8px 2px; font-size: 10.5px; font-weight: 800; }
.panel-btn.rank.active { border-color: var(--color-green); background: var(--color-green-dim); color: var(--color-green); }
.panel-btn.gender { padding: 10px 4px; font-size: 12px; font-weight: 700; border-radius: 8px; }
.panel-btn.gender.pink.active { border-color: var(--color-pink); background: var(--color-pink-dim); color: var(--color-pink); }
.panel-btn.gender.blue.active { border-color: var(--color-blue); background: var(--color-blue-dim); color: var(--color-blue); }

.panel-input { width: 100%; padding: 10px 12px; border-radius: 8px; box-sizing: border-box; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.2); color: var(--color-text); font-size: 14px; outline: none; margin-bottom: 14px; }
.panel-rot-grid { display: flex; gap: 4px; margin-bottom: 8px; }
.panel-btn-rot { flex: 1; padding: 6px 0; border-radius: 6px; cursor: pointer; font-size: 10px; font-weight: 700; border: 1px solid rgba(251,191,36,0.3); background: rgba(251,191,36,0.08); color: #fbbf24; }
.panel-btn-reset { width: 100%; padding: 8px 0; border-radius: 6px; cursor: pointer; font-size: 11px; font-weight: 600; border: 1px solid rgba(251,191,36,0.3); background: rgba(251,191,36,0.07); color: #fbbf24; margin-bottom: 18px; }

.panel-action-btn { padding: 10px 0; border-radius: 8px; cursor: pointer; font-size: 11px; font-weight: 700; }
.panel-action-btn.orange { border: 1px solid rgba(245,158,11,0.4); background: var(--color-orange-dim); color: var(--color-orange); }
.panel-action-btn.gray { border: 1px solid rgba(156,163,175,0.3); background: rgba(156,163,175,0.08); color: #9ca3af; }
.panel-action-btn.blue { border: 1px solid rgba(96,165,250,0.3); background: rgba(96,165,250,0.08); color: #60a5fa; }
.panel-action-btn.red { border: 1px solid rgba(239,68,68,0.3); background: var(--color-red-dim); color: var(--color-red); }