/* AIR Studio Booking - Stylesheet */
:root {
  --bg:#F5F3EE;--surface:#FFFFFF;--border:#DDD9D0;--border-dark:#B8B2A7;
  --text:#1A1816;--text-muted:#6B6560;--accent:#1A3A5C;--accent-lite:#EBF0F5;
  --danger:#C0392B;--danger-lite:#FDECEA;--success:#1E6B3C;--success-lite:#E8F5EE;
  --warn:#7D4E00;--warn-lite:#FEF3DC;
  --talk:#0B7285;--ror:#D35400;--drama:#6C3483;--classical:#1A5C2A;--light:#7D6608;
  --radius:6px;--shadow:0 1px 4px rgba(0,0,0,0.08);--shadow-md:0 4px 16px rgba(0,0,0,0.12);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
body{font-family:'DM Sans',sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.5;min-height:100vh;}

/* LOGIN */
.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;}
.login-wrap{width:100%;max-width:380px;padding:24px;}
.login-header{text-align:center;margin-bottom:32px;}
.station-mark{display:inline-block;font-family:'DM Mono',monospace;font-size:11px;font-weight:500;letter-spacing:0.15em;color:var(--accent);background:var(--accent-lite);border:1px solid var(--accent);padding:3px 10px;border-radius:3px;margin-bottom:12px;}
.login-header h1{font-family:'Lora',serif;font-size:24px;font-weight:600;margin-bottom:4px;}
.login-header p{font-size:13px;color:var(--text-muted);}
.login-form{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);}

/* CUSTOM SELECT */
.custom-select-wrap{position:relative;width:100%;user-select:none;}
.custom-select-trigger{display:flex;align-items:center;justify-content:space-between;padding:9px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);cursor:pointer;font-size:14px;color:var(--text);transition:border-color 0.15s;}
.custom-select-trigger:hover,.custom-select-wrap.open .custom-select-trigger{border-color:var(--accent);}
.custom-select-wrap.open .custom-select-trigger{box-shadow:0 0 0 3px var(--accent-lite);border-radius:var(--radius) var(--radius) 0 0;}
.custom-select-trigger svg{flex-shrink:0;color:var(--text-muted);transition:transform 0.15s;}
.custom-select-wrap.open .custom-select-trigger svg{transform:rotate(180deg);}
.custom-select-dropdown{display:none;position:absolute;top:100%;left:0;right:0;background:var(--surface);border:1px solid var(--accent);border-top:none;border-radius:0 0 var(--radius) var(--radius);max-height:200px;overflow-y:auto;z-index:100;box-shadow:var(--shadow-md);}
.custom-select-wrap.open .custom-select-dropdown{display:block;}
.custom-select-option{padding:8px 12px;font-size:13px;cursor:pointer;transition:background 0.1s;}
.custom-select-option:hover{background:var(--accent-lite);}
.custom-select-option.selected{background:var(--accent-lite);color:var(--accent);font-weight:500;}

/* APP HEADER */
.app-header{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;background:var(--accent);color:#fff;position:sticky;top:0;z-index:100;}
.header-left{display:flex;align-items:center;gap:10px;}
.station-mark-sm{font-family:'DM Mono',monospace;font-size:10px;font-weight:500;letter-spacing:0.15em;background:rgba(255,255,255,0.15);border:1px solid rgba(255,255,255,0.3);padding:2px 7px;border-radius:3px;}
.header-title{font-family:'Lora',serif;font-size:16px;font-weight:600;}
.header-right{display:flex;align-items:center;gap:14px;}
.logged-in-label{font-size:13px;opacity:0.85;}
.btn-logout{font-family:'DM Sans',sans-serif;font-size:12px;background:rgba(255,255,255,0.12);border:1px solid rgba(255,255,255,0.25);color:#fff;padding:5px 12px;border-radius:var(--radius);cursor:pointer;}
.btn-logout:hover{background:rgba(255,255,255,0.22);}

/* APP LAYOUT */
.app-main{display:grid;grid-template-columns:420px 1fr;min-height:calc(100vh - 49px);}
.panel{padding:24px;}
.form-panel{background:var(--surface);border-right:1px solid var(--border);overflow-y:auto;}
.view-panel{background:var(--bg);overflow-y:auto;}
.panel-title{font-family:'Lora',serif;font-size:18px;font-weight:600;margin-bottom:20px;}

/* FORM FIELDS */
.field{margin-bottom:16px;}
.field label{display:block;font-size:12px;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.06em;margin-bottom:6px;}
.field input[type="text"],.field input[type="date"],.field input[type="number"],.field input[type="password"]{width:100%;padding:9px 12px;border:1px solid var(--border);border-radius:var(--radius);font-family:'DM Sans',sans-serif;font-size:14px;color:var(--text);background:var(--surface);transition:border-color 0.15s;}
.field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-lite);}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.field-half label{display:block;}
.field-inline{display:flex;align-items:center;}
.toggle-label{display:flex !important;align-items:center;gap:8px;cursor:pointer;font-size:13px !important;text-transform:none !important;letter-spacing:0 !important;color:var(--text) !important;}
.toggle-label input[type="checkbox"]{width:16px;height:16px;accent-color:var(--accent);}
.group-fields{display:none;background:var(--accent-lite);border:1px solid var(--border);border-radius:var(--radius);padding:14px;margin-bottom:16px;}
.group-fields.visible{display:block;}
.optional{font-size:11px;font-weight:400;color:var(--text-muted);text-transform:none;letter-spacing:0;margin-left:4px;}
.capslock-warn{display:none;font-size:11px;color:var(--warn);background:var(--warn-lite);padding:2px 7px;border-radius:3px;margin-left:8px;font-weight:500;text-transform:none;letter-spacing:0;}
.capslock-warn.visible{display:inline;}

/* CHIPS */
.chip-group{display:flex;flex-wrap:wrap;gap:8px;}
.chip{font-family:'DM Sans',sans-serif;font-size:13px;padding:6px 14px;border-radius:20px;border:1px solid var(--border);background:var(--bg);color:var(--text);cursor:pointer;transition:all 0.15s;white-space:nowrap;}
.chip:hover{border-color:var(--accent);color:var(--accent);}
.chip.selected[data-value="Talk"]{background:var(--talk);border-color:var(--talk);color:#fff;}
.chip.selected[data-value="RoR"]{background:var(--ror);border-color:var(--ror);color:#fff;}
.chip.selected[data-value="Drama"]{background:var(--drama);border-color:var(--drama);color:#fff;}
.chip.selected[data-value="Classical Music"]{background:var(--classical);border-color:var(--classical);color:#fff;}
.chip.selected[data-value="Light Music"]{background:var(--light);border-color:var(--light);color:#fff;}

/* CONFLICT STATUS */
.conflict-status{margin-bottom:16px;font-size:13px;border-radius:var(--radius);}
.conflict-status.free{background:var(--success-lite);color:var(--success);border:1px solid #A8D5B5;padding:8px 12px;}
.conflict-status.conflict{background:var(--danger-lite);color:var(--danger);border:1px solid #F1AEAD;padding:8px 12px;}
.conflict-status.checking{background:var(--accent-lite);color:var(--accent);border:1px solid #AABCD6;padding:8px 12px;}
.conflict-detail{margin-top:6px;font-size:12px;font-family:'DM Mono',monospace;}

/* FUZZY HINT */
.fuzzy-hint{margin-top:5px;font-size:12px;color:var(--warn);}
.fuzzy-hint .fuzzy-option{display:inline-block;margin-right:6px;background:var(--warn-lite);border:1px solid #E0C070;border-radius:4px;padding:2px 8px;cursor:pointer;}
.fuzzy-hint .fuzzy-option:hover{background:#FCE8A0;}

/* BUTTONS */
.btn-primary{width:100%;padding:11px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);font-family:'DM Sans',sans-serif;font-size:14px;font-weight:500;cursor:pointer;transition:background 0.15s;}
.btn-primary:hover{background:#122D48;}
.btn-primary:disabled{opacity:0.5;cursor:not-allowed;}
.btn-submit.override{background:var(--danger);}
.btn-submit.override:hover{background:#A93226;}
.btn-secondary{padding:9px;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);font-family:'DM Sans',sans-serif;font-size:14px;cursor:pointer;}
.btn-secondary:hover{background:var(--bg);}
.btn-danger{padding:9px;background:var(--danger);color:#fff;border:none;border-radius:var(--radius);font-family:'DM Sans',sans-serif;font-size:14px;cursor:pointer;}
.btn-danger:hover{background:#A93226;}
.form-error{color:var(--danger);font-size:13px;margin-top:10px;}
.form-success{color:var(--success);font-size:13px;margin-top:10px;}
.login-error{color:var(--danger);font-size:13px;margin-top:12px;text-align:center;}

/* VIEW HEADER */
.view-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.view-controls{display:flex;align-items:center;gap:10px;}
.view-toggle{display:flex;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;}
.toggle-btn{font-family:'DM Sans',sans-serif;font-size:12px;padding:6px 16px;background:var(--surface);border:none;cursor:pointer;color:var(--text-muted);transition:all 0.15s;}
.toggle-btn.active{background:var(--accent);color:#fff;}
.toggle-btn:hover:not(.active){background:var(--bg);}

/* DAY VIEW */
.day-view-controls{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;gap:12px;}
.view-date-picker{font-family:'DM Sans',sans-serif;font-size:13px;padding:7px 10px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);flex-shrink:0;}
.view-date-picker:focus{outline:none;border-color:var(--accent);}
.filter-toggle{font-size:13px !important;color:var(--text-muted) !important;white-space:nowrap;}
.day-view{display:flex;flex-direction:column;gap:10px;}
.empty-msg{color:var(--text-muted);font-size:13px;padding:40px 0;text-align:center;}

.studio-group{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;}
.studio-group-header{padding:8px 14px;font-size:12px;font-weight:500;font-family:'DM Mono',monospace;letter-spacing:0.05em;color:#fff;}
.studio-group-header[data-studio="Talk"]{background:var(--talk);}
.studio-group-header[data-studio="RoR"]{background:var(--ror);}
.studio-group-header[data-studio="Drama"]{background:var(--drama);}
.studio-group-header[data-studio="Classical Music"]{background:var(--classical);}
.studio-group-header[data-studio="Light Music"]{background:var(--light);}

.booking-row{display:grid;grid-template-columns:90px 1fr;gap:12px;padding:12px 14px;border-top:1px solid var(--border);align-items:start;}
.booking-time-col{display:flex;flex-direction:column;gap:6px;padding-top:2px;}
.booking-time{font-family:'DM Mono',monospace;font-size:12px;color:var(--text-muted);white-space:nowrap;}
.booking-flag{font-size:11px;padding:2px 7px;border-radius:3px;white-space:nowrap;display:inline-block;}
.booking-flag.ok{background:var(--success-lite);color:var(--success);}
.booking-flag.conflict{background:var(--danger-lite);color:var(--danger);}
.booking-info{min-width:0;}
.booking-programme{font-weight:500;font-size:14px;color:var(--text);}
.booking-section{font-size:12px;color:var(--text-muted);margin-top:2px;}
.dd-row-detail{font-size:12px;color:var(--text-muted);display:flex;gap:6px;align-items:baseline;margin-top:3px;}
.dd-label{font-family:'DM Mono',monospace;font-size:10px;font-weight:500;text-transform:uppercase;letter-spacing:0.05em;color:var(--border-dark);min-width:58px;flex-shrink:0;}
.booking-key-tag{font-family:'DM Mono',monospace;font-size:11px;background:var(--accent-lite);color:var(--accent);padding:1px 6px;border-radius:3px;}
.booking-actions{display:flex;gap:6px;margin-top:8px;}
.btn-edit-booking{font-family:'DM Sans',sans-serif;font-size:11px;padding:3px 10px;background:var(--accent-lite);color:var(--accent);border:1px solid var(--accent);border-radius:var(--radius);cursor:pointer;}
.btn-edit-booking:hover{background:var(--accent);color:#fff;}
.btn-delete-booking{font-family:'DM Sans',sans-serif;font-size:11px;padding:3px 10px;background:var(--danger-lite);color:var(--danger);border:1px solid var(--danger);border-radius:var(--radius);cursor:pointer;}
.btn-delete-booking:hover{background:var(--danger);color:#fff;}

/* INLINE EDIT FORM */
.edit-form{padding:12px 14px;background:var(--accent-lite);border-top:1px solid var(--border);}
.edit-field{margin-bottom:10px;}
.edit-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.edit-label{display:block;font-size:11px;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.06em;margin-bottom:4px;}
.edit-input{width:100%;padding:7px 10px;border:1px solid var(--border);border-radius:var(--radius);font-family:'DM Sans',sans-serif;font-size:13px;color:var(--text);background:var(--surface);}
.edit-input:focus{outline:none;border-color:var(--accent);}
.edit-chips{margin-bottom:4px;}
.edit-chip{font-size:12px;padding:4px 10px;}
.edit-actions{display:flex;gap:8px;margin-top:12px;}
.btn-cancel-edit{flex:1;padding:8px;background:var(--surface);color:var(--text-muted);border:1px solid var(--border);border-radius:var(--radius);font-family:'DM Sans',sans-serif;font-size:13px;cursor:pointer;}
.btn-cancel-edit:hover{background:var(--bg);}
.btn-save-edit{flex:2;padding:8px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);font-family:'DM Sans',sans-serif;font-size:13px;font-weight:500;cursor:pointer;}
.btn-save-edit:hover{background:#122D48;}
.btn-save-edit:disabled{opacity:0.5;cursor:not-allowed;}

/* CALENDAR */
.cal-nav{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.cal-month-title{font-family:'Lora',serif;font-size:16px;font-weight:600;color:var(--text);}
.cal-nav-btn{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:6px 14px;cursor:pointer;font-size:14px;color:var(--text-muted);}
.cal-nav-btn:hover{border-color:var(--accent);color:var(--accent);}
.cal-dow-row{display:grid;grid-template-columns:repeat(7,1fr);gap:2px;margin-bottom:4px;}
.cal-dow{text-align:center;font-size:11px;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:0.06em;padding:4px 0;}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:3px;}
.cal-day{min-height:72px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:6px;cursor:pointer;transition:border-color 0.15s;}
.cal-day:hover{border-color:var(--border-dark);}
.cal-day.empty{background:transparent;border-color:transparent;cursor:default;}
.cal-day.has-booking{border-color:var(--border-dark);}
.cal-day.today .cal-day-num{background:var(--accent);color:#fff;border-radius:50%;}
.cal-day-num{font-size:12px;font-weight:500;color:var(--text-muted);width:22px;height:22px;display:flex;align-items:center;justify-content:center;margin-bottom:3px;}
.cal-dots{display:flex;flex-wrap:wrap;gap:2px;}
.cal-dot{width:7px;height:7px;border-radius:50%;}
.cal-count{font-size:10px;color:var(--text-muted);margin-top:3px;line-height:1.2;}
.cal-legend{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px;padding-top:10px;border-top:1px solid var(--border);}
.leg-item{display:flex;align-items:center;gap:5px;font-size:11px;color:var(--text-muted);}
.leg-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;}

/* MODAL */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.4);z-index:200;align-items:center;justify-content:center;}
.modal-overlay.visible{display:flex;}
.modal{background:var(--surface);border-radius:var(--radius);padding:32px;max-width:400px;width:90%;text-align:center;box-shadow:var(--shadow-md);}
.modal-icon{font-size:16px;font-weight:500;color:var(--accent);margin-bottom:10px;}
.modal h3{font-family:'Lora',serif;font-size:18px;margin-bottom:8px;}
.modal p{font-size:13px;color:var(--text-muted);margin-bottom:20px;line-height:1.6;}

/* iOS AUTO-ZOOM FIX */
@media (max-width:768px) {
  .field input[type="text"],.field input[type="date"],.field input[type="number"],.field input[type="password"],
  .custom-select-trigger,.custom-select-option,.view-date-picker,.edit-input{font-size:16px !important;}
  .app-main{grid-template-columns:1fr;}
  .form-panel{border-right:none;border-bottom:1px solid var(--border);}
  .chip{white-space:nowrap;}
  body{overflow-x:hidden;}
}