:root{
  --navy:#1C3A5C;--navy2:#244873;--navy3:#2D5A8A;
  --sky:#3E7CB1;--sky-lt:#6AAFD6;
  --gold:#C8922A;--gold-lt:#E8B84B;
  --cream:#F5F0E8;--cream2:#EDE7DA;--sand:#D4C5A9;
  --text:#1A2535;--text2:#4A5568;--text3:#718096;--white:#FFFFFF;
  --border:rgba(44,74,110,0.15);--border2:rgba(44,74,110,0.25);
  --radius:6px;--radius-lg:10px;
  --shadow:0 1px 3px rgba(13,27,42,0.08),0 4px 12px rgba(13,27,42,0.05);
  --shadow-lg:0 8px 32px rgba(13,27,42,0.18);
  --green:#1A7A4A;--green-lt:#E8F5EE;
  --red:#C0392B;--amber:#C8922A;
}
*{box-sizing:border-box;margin:0;padding:0}
html{font-size:14px}
body{font-family:'DM Sans',sans-serif;background:var(--cream);color:var(--text);min-height:100vh;display:flex;flex-direction:column}

/* SIDEBAR */
#sidebar{position:fixed;top:0;left:0;bottom:0;width:240px;background:var(--navy);display:flex;flex-direction:column;z-index:100;border-right:1px solid rgba(255,255,255,0.08);transition:width 0.2s;overflow:hidden}
#sidebar.collapsed{width:72px}
#sidebar.collapsed .sidebar-logo img,#sidebar.collapsed .logo-tagline,#sidebar.collapsed .proj-item-name,#sidebar.collapsed .proj-item-meta,#sidebar.collapsed .btn-new-proj,#sidebar.collapsed .btn-import,#sidebar.collapsed .sidebar-section{display:none}
#sidebar.collapsed .sidebar-logo{padding:12px 8px;align-items:center}
#sidebar-collapse-btn{position:absolute;top:50%;right:-12px;transform:translateY(-50%);width:24px;height:24px;background:var(--navy3);border:1px solid rgba(255,255,255,0.15);border-radius:50%;color:rgba(255,255,255,0.6);font-size:11px;cursor:pointer;z-index:200;display:flex;align-items:center;justify-content:center;line-height:1;transition:transform 0.2s}
#sidebar.collapsed #sidebar-collapse-btn{transform:translateY(-50%) rotate(180deg)}
.sidebar-logo{padding:16px 20px 14px;border-bottom:1px solid rgba(255,255,255,0.1);display:flex;flex-direction:column;align-items:center;gap:6px}
.sidebar-logo img{width:140px;height:auto;display:block}
.logo-tagline{font-family:'DM Mono',monospace;font-size:9px;letter-spacing:0.18em;color:rgba(255,255,255,0.45);text-transform:uppercase}
.sidebar-section{padding:14px 12px 6px;font-size:10px;letter-spacing:0.12em;color:rgba(255,255,255,0.3);text-transform:uppercase}
#project-list{flex:1;overflow-y:auto;padding:0 8px}
.proj-item{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:var(--radius);cursor:pointer;margin-bottom:2px;color:rgba(255,255,255,0.65);font-size:13px;transition:background 0.15s,color 0.15s;user-select:none}
.proj-item:hover{background:rgba(255,255,255,0.07);color:var(--white)}
.proj-item.active{background:rgba(62,124,177,0.3);color:var(--white);font-weight:500}
.proj-dot{width:6px;height:6px;border-radius:50%;background:var(--sky);flex-shrink:0;opacity:0.6}
.proj-item.active .proj-dot{background:var(--gold-lt);opacity:1}
.proj-progress-mini{flex:1;height:3px;background:rgba(255,255,255,0.1);border-radius:2px;overflow:hidden}
.proj-progress-mini-bar{height:100%;background:var(--gold-lt);border-radius:2px;transition:width 0.3s}
.proj-del{opacity:0;font-size:13px;color:rgba(255,255,255,0.3);background:none;border:none;cursor:pointer;padding:0 2px;line-height:1;flex-shrink:0}
.proj-item:hover .proj-del{opacity:1}
.proj-del:hover{color:#fc8181}
.sidebar-actions{padding:10px 8px;border-top:1px solid rgba(255,255,255,0.08);display:flex;flex-direction:column;gap:6px}
.btn-new-proj{width:100%;padding:8px 12px;border-radius:var(--radius);background:rgba(200,146,42,0.18);color:var(--gold-lt);border:1px solid rgba(200,146,42,0.35);font-family:'DM Sans',sans-serif;font-size:12px;font-weight:500;cursor:pointer;text-align:center;transition:background 0.15s}
.btn-new-proj:hover{background:rgba(200,146,42,0.28)}
.btn-import{width:100%;padding:7px 12px;border-radius:var(--radius);background:transparent;color:rgba(255,255,255,0.4);border:1px solid rgba(255,255,255,0.12);font-family:'DM Sans',sans-serif;font-size:11px;cursor:pointer;text-align:center;transition:all 0.15s}
.btn-import:hover{color:rgba(255,255,255,0.7);border-color:rgba(255,255,255,0.25)}

/* MAIN */
#main{margin-left:240px;display:flex;flex-direction:column;min-height:100vh;transition:margin-left 0.2s;min-width:0}
#main.sidebar-collapsed{margin-left:72px}
#topbar{background:var(--white);border-bottom:1px solid var(--border);padding:0 24px;height:56px;display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:50}
.topbar-project{flex:1;min-width:0}
.topbar-title{font-size:15px;font-weight:600;color:var(--text);letter-spacing:-0.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-address{font-size:11px;color:var(--text3);margin-top:1px}
.topbar-actions{display:flex;gap:6px;align-items:center;flex-shrink:0}
.btn{display:inline-flex;align-items:center;gap:5px;padding:6px 12px;border-radius:var(--radius);font-family:'DM Sans',sans-serif;font-size:12px;font-weight:500;cursor:pointer;border:1px solid var(--border2);background:var(--white);color:var(--text);transition:all 0.15s;white-space:nowrap}
.btn:hover{background:var(--cream);border-color:var(--sky)}
.btn-primary{background:var(--navy);color:var(--white);border-color:var(--navy)}
.btn-primary:hover{background:var(--navy2)}
.btn-success{background:var(--green);color:var(--white);border-color:var(--green)}
.btn-danger{background:#fff0f0;color:var(--red);border-color:#f0b8b8}
.btn-danger:hover{background:#ffe0e0}
.btn-sm{padding:4px 9px;font-size:11px}

/* CONTENT */
#content{padding:20px 24px;flex:1;min-width:0;width:100%}

/* MASTER VIEW */
#master-view{}
.master-header{margin-bottom:16px}
.master-title{font-size:20px;font-weight:600;color:var(--text);letter-spacing:-0.02em}
.master-sub{font-size:13px;color:var(--text3);margin-top:2px}
.master-project-block{margin-bottom:20px}
.master-proj-label{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.master-proj-name{font-size:13px;font-weight:600;color:var(--text)}
.master-proj-addr{font-size:11px;color:var(--text3)}
.master-prog-pill{font-size:10px;font-weight:600;padding:2px 8px;border-radius:10px;background:var(--green-lt);color:var(--green)}

/* EDITOR */
#project-editor{}
.editor-header{margin-bottom:14px}
.editable-title{font-size:20px;font-weight:600;color:var(--text);letter-spacing:-0.02em;border:none;background:transparent;font-family:'DM Sans',sans-serif;padding:2px 4px;margin:-2px -4px;border-radius:4px;display:block;width:100%}
.editable-title:focus{outline:2px solid var(--sky);background:var(--white)}
.editable-address{font-size:12px;color:var(--text3);border:none;background:transparent;font-family:'DM Sans',sans-serif;padding:2px 4px;margin:-2px -4px;border-radius:4px;width:360px}
.editable-address:focus{outline:2px solid var(--sky);background:var(--white)}

/* OVERALL PROGRESS */
.overall-progress{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:12px 16px;margin-bottom:12px;display:flex;align-items:center;gap:14px}
.op-label{font-size:11px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:0.08em;white-space:nowrap}
.op-bar-wrap{flex:1;height:8px;background:var(--cream2);border-radius:4px;overflow:hidden}
.op-bar{height:100%;background:var(--green);border-radius:4px;transition:width 0.4s}
.op-pct{font-size:13px;font-weight:600;color:var(--green);min-width:36px;text-align:right}
.op-tasks{font-size:11px;color:var(--text3);white-space:nowrap}

/* PHASE MANAGER */
.phase-manager{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);padding:10px 14px;margin-bottom:10px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.phase-manager-label{font-size:10px;letter-spacing:0.1em;text-transform:uppercase;color:var(--text3);font-weight:600;white-space:nowrap}
.phase-chip{display:inline-flex;align-items:center;gap:4px;padding:3px 8px;border-radius:20px;font-size:11px;font-weight:500;border:1px solid transparent}
.phase-chip-del{background:none;border:none;cursor:pointer;font-size:10px;opacity:0.5;padding:0;line-height:1}
.phase-chip-del:hover{opacity:1}

/* GANTT */
.gantt-hint{font-size:11px;color:var(--text3);margin-bottom:6px;padding-left:2px}
.gantt-container{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.gantt-scroll{overflow-x:auto}
.gantt-table{border-collapse:collapse;font-size:12px}
.gantt-table thead th{background:var(--cream2);font-weight:500;font-size:10px;color:var(--text3);padding:0;border-bottom:1px solid var(--border2);white-space:nowrap;text-transform:uppercase;position:sticky;top:0;z-index:10}
.gantt-table thead th.task-col{text-align:left;min-width:200px;width:200px;position:sticky;left:0;z-index:20;background:var(--cream2);padding:8px 12px;border-right:1px solid var(--border)}
.month-row th{background:var(--navy) !important;color:rgba(255,255,255,0.8) !important;font-size:9px !important;padding:5px 0 !important;text-align:center;border-bottom:1px solid rgba(255,255,255,0.1) !important;letter-spacing:0.08em}
.month-row th.task-col{background:var(--navy) !important;border-right:1px solid rgba(255,255,255,0.1) !important}
.gantt-table thead th.day-col{text-align:center;width:28px;min-width:28px;padding:0;cursor:pointer}
.gantt-table thead th.day-col:hover{background:rgba(62,124,177,0.15) !important}
.day-header-inner{display:flex;flex-direction:column;align-items:center;padding:3px 0}
.day-name{font-size:8px;color:var(--text3);line-height:1.2}
.day-num{font-size:10px;font-weight:500;color:var(--text2);line-height:1.4;padding:1px 3px;min-width:18px;text-align:center;border-radius:3px}
.day-col.is-weekend .day-num{color:var(--sand)}
.day-col.is-today .day-num{background:var(--sky);color:var(--white)}
.gantt-table tbody tr{border-bottom:1px solid rgba(44,74,110,0.06)}
.gantt-table tbody tr:last-child{border-bottom:none}
.gantt-table tbody tr:hover td{background:rgba(245,240,232,0.4)}
td.task-col{position:sticky;left:0;background:var(--white);z-index:5;min-width:200px;width:200px;padding:0;border-right:1px solid var(--border)}
.gantt-table tbody tr:hover td.task-col{background:rgba(245,240,232,0.4)}
.task-cell-inner{display:flex;align-items:center;gap:5px;padding:4px 10px;cursor:pointer}
.task-cell-inner:hover{background:rgba(62,124,177,0.06)}
.task-color-bar{width:3px;height:18px;border-radius:2px;flex-shrink:0}
.task-name-text{font-size:12px;color:var(--text);flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.task-name-text.completed{text-decoration:line-through;color:var(--text3)}
.task-check{font-size:12px;flex-shrink:0;opacity:0.7}
.task-sub-badge{font-size:9px;color:var(--text3);background:var(--cream2);border-radius:3px;padding:1px 4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:55px;flex-shrink:0}
.task-del{opacity:0;font-size:11px;color:var(--text3);cursor:pointer;border:none;background:none;padding:2px 4px;border-radius:3px;flex-shrink:0}
.task-cell-inner:hover .task-del{opacity:1}
.task-del:hover{background:#FED7D7;color:#C53030}
.phase-row td{background:var(--cream) !important;border-bottom:1px solid var(--border) !important}
.phase-label-cell{display:flex;align-items:center;gap:8px;padding:5px 10px}
.phase-label-bar{width:3px;height:12px;border-radius:2px;flex-shrink:0}
.phase-label-text{font-size:10px;font-weight:600;letter-spacing:0.06em;text-transform:uppercase;color:var(--text2)}
td.day-cell{width:28px;min-width:28px;padding:1px;text-align:center;cursor:pointer;transition:background 0.1s;vertical-align:middle}
td.day-cell:hover{background:rgba(62,124,177,0.12) !important}
td.day-cell.is-weekend{background:rgba(212,197,169,0.15)}
td.day-cell.is-today{background:rgba(62,124,177,0.07)}
.bar-wrap{position:relative;height:18px;width:100%}
.bar-bg{position:absolute;inset:1px 0;border-radius:0;opacity:0.82;cursor:pointer;transition:opacity 0.15s}
.bar-bg:hover{opacity:1}
.bar-progress{position:absolute;top:1px;bottom:1px;left:0;background:rgba(255,255,255,0.35);pointer-events:none}
.bar-bg.completed{opacity:0.4}
.gantt-arrow-layer{position:absolute;top:0;left:0;pointer-events:none;z-index:15;overflow:visible}
.bar-bg.dragging{opacity:0.5;cursor:grabbing !important;box-shadow:0 2px 8px rgba(0,0,0,0.25)}
.bar-bg[data-task-id]{cursor:grab}
.drag-ghost{position:fixed;pointer-events:none;z-index:500;height:18px;border-radius:3px;opacity:0.85;display:flex;align-items:center;padding:0 6px;font-size:11px;font-weight:500;color:white;white-space:nowrap;box-shadow:0 4px 12px rgba(0,0,0,0.2)}
td.day-cell.drag-over{background:rgba(62,124,177,0.2) !important}
.empty-cal-row td.day-cell{height:36px}
.legend{display:flex;flex-wrap:wrap;gap:12px;margin-top:12px;padding:0 2px}
.legend-item{display:flex;align-items:center;gap:5px;font-size:11px;color:var(--text3)}
.legend-swatch{width:10px;height:10px;border-radius:2px;flex-shrink:0}

/* EMPTY STATE */
#empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:60vh;text-align:center}
.empty-icon{font-size:48px;margin-bottom:16px;opacity:0.3}
.empty-title{font-size:20px;font-weight:600;color:var(--text);margin-bottom:8px}
.empty-sub{font-size:14px;color:var(--text3);margin-bottom:24px;max-width:300px;line-height:1.6}

/* TASK POPUP */
.popup-backdrop{position:fixed;inset:0;background:rgba(13,27,42,0.45);display:flex;align-items:center;justify-content:center;z-index:300;backdrop-filter:blur(2px)}
.popup{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:440px;max-width:96vw;overflow:hidden;max-height:92vh;display:flex;flex-direction:column}
.popup-header{background:var(--navy);padding:14px 18px;display:flex;align-items:center;justify-content:space-between;flex-shrink:0}
.popup-title{font-size:14px;font-weight:600;color:var(--white)}
.popup-date-label{font-size:11px;color:rgba(255,255,255,0.5);margin-top:2px}
.popup-mode-badge{display:inline-block;font-size:9px;font-weight:600;letter-spacing:0.08em;text-transform:uppercase;padding:2px 7px;border-radius:20px;margin-top:3px}
.popup-mode-new{background:rgba(200,146,42,0.3);color:var(--gold-lt)}
.popup-mode-edit{background:rgba(62,124,177,0.35);color:#a8d4f5}
.popup-close{background:none;border:none;color:rgba(255,255,255,0.5);cursor:pointer;font-size:18px;padding:0;line-height:1}
.popup-close:hover{color:var(--white)}
.popup-body{padding:14px 18px;overflow-y:auto;flex:1}
.pf{margin-bottom:11px}
.pf label{display:block;font-size:10px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:0.08em;margin-bottom:4px}
.pf input,.pf select,.pf textarea{width:100%;padding:7px 10px;border-radius:var(--radius);border:1px solid var(--border2);font-family:'DM Sans',sans-serif;font-size:13px;color:var(--text);background:var(--white)}
.pf input:focus,.pf select:focus,.pf textarea:focus{outline:none;border-color:var(--sky)}
.pf textarea{resize:vertical;min-height:48px;line-height:1.5}
.pf-row{display:flex;gap:10px}
.pf-row .pf{flex:1}
.dur-row{display:flex;gap:8px;align-items:flex-end}
.dur-row .pf:first-child{flex:0 0 76px}
.dur-row .pf:last-child{flex:1}
.wknd-select{width:100%;padding:7px 10px;border-radius:var(--radius);border:1px solid var(--border2);font-family:'DM Sans',sans-serif;font-size:13px;color:var(--text);background:var(--white)}
.wknd-select:focus{outline:none;border-color:var(--sky)}
.end-preview{font-size:11px;color:var(--sky);margin-top:3px;min-height:15px;font-weight:500}
.completion-section{background:var(--cream);border-radius:var(--radius);padding:10px 12px;margin-bottom:11px}
.completion-label{font-size:10px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:0.08em;margin-bottom:8px;display:flex;justify-content:space-between;align-items:center}
.completion-pct{font-size:14px;font-weight:600;color:var(--green)}
.completion-bar-wrap{height:6px;background:var(--sand);border-radius:3px;margin-bottom:8px;overflow:hidden}
.completion-bar{height:100%;background:var(--green);border-radius:3px;transition:width 0.2s}
.completion-slider{width:100%;margin:0;accent-color:var(--green)}
.completed-toggle{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text2);margin-top:8px;cursor:pointer;user-select:none}
.completed-toggle input{width:auto;cursor:pointer;accent-color:var(--green)}
.dep-section{margin-bottom:11px}
.dep-section>label{display:block;font-size:10px;font-weight:600;color:var(--text3);text-transform:uppercase;letter-spacing:0.08em;margin-bottom:6px}
.dep-dropdown{width:100%;padding:7px 10px;border-radius:var(--radius);border:1px solid var(--border2);font-family:'DM Sans',sans-serif;font-size:13px;color:var(--text);background:var(--white);margin-bottom:7px}
.dep-dropdown:focus{outline:none;border-color:var(--sky)}
.dep-chips{display:flex;flex-wrap:wrap;gap:5px;min-height:0}
.dep-chip{display:inline-flex;align-items:center;gap:4px;padding:3px 8px;border-radius:20px;font-size:11px;font-weight:500;background:rgba(62,124,177,0.12);color:var(--sky);border:1px solid rgba(62,124,177,0.25)}
.dep-chip-del{background:none;border:none;cursor:pointer;font-size:11px;color:var(--sky);opacity:0.6;padding:0;line-height:1}
.dep-chip-del:hover{opacity:1}
.sub-wrap{position:relative}
.sub-suggestions{position:absolute;top:100%;left:0;right:0;background:var(--white);border:1px solid var(--border2);border-top:none;border-radius:0 0 var(--radius) var(--radius);box-shadow:var(--shadow-lg);z-index:50;max-height:120px;overflow-y:auto;display:none}
.sub-suggestions.open{display:block}
.sub-suggestion{padding:6px 10px;font-size:13px;cursor:pointer;color:var(--text)}
.sub-suggestion:hover{background:var(--cream)}
.popup-footer{padding:12px 18px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px;background:var(--cream);flex-shrink:0}

/* MODAL */
.modal-backdrop{position:fixed;inset:0;background:rgba(13,27,42,0.55);display:flex;align-items:center;justify-content:center;z-index:200;backdrop-filter:blur(2px)}
.modal{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:24px;width:420px;max-width:90vw}
.modal-title{font-size:15px;font-weight:600;color:var(--text);margin-bottom:18px}
.modal-field{margin-bottom:14px}
.modal-field label{display:block;font-size:12px;font-weight:500;color:var(--text2);margin-bottom:5px}
.modal-field input{width:100%;height:36px;padding:0 10px;border-radius:var(--radius);border:1px solid var(--border2);font-family:'DM Sans',sans-serif;font-size:13px;color:var(--text)}
.modal-field input:focus{outline:2px solid var(--sky);border-color:transparent}
.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:20px}

/* SAVE/EXPORT TOAST */
.toast{position:fixed;bottom:20px;right:20px;background:var(--navy);color:var(--white);padding:10px 18px;border-radius:var(--radius);font-size:13px;z-index:500;opacity:0;transition:opacity 0.3s;pointer-events:none}
.toast.show{opacity:1}

@media print{
  #sidebar,.topbar-actions,.phase-manager .btn,.task-del,.phase-chip-del,.popup-backdrop,.modal-backdrop,.gantt-hint,.toast{display:none!important}
  #main{margin-left:0}
  body{background:white}
  .gantt-container{box-shadow:none;border:1px solid #ccc}
  .gantt-scroll{overflow:visible}
  #content{padding:12px}
}
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--sand);border-radius:3px}