@import"https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";:root{--bg-base: #0F172A;--bg-card: #1E293B;--bg-elevated: #263548;--bg-modal: #1a2539;--text-primary: #F8FAFC;--text-muted: #94A3B8;--text-subtle: #64748B;--border: #2D3E55;--border-hover: #3D5070;--brand-dark: #25489C;--brand-blue: #4285F4;--brand-blue-hover: #5a95f5;--brand-blue-glow: rgba(66, 133, 244, .2);--status-locked: #FF4757;--status-locked-bg: rgba(255, 71, 87, .12);--club-tech: #00E5FF;--club-cultural: #FF007F;--club-sports: #00E676;--club-arts: #B388FF;--success: #00E676;--success-bg: rgba(0, 230, 118, .12);--danger: #FF4757;--danger-bg: rgba(255, 71, 87, .12);--radius-sm: 6px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 8px 24px rgba(0, 0, 0, .4);--shadow-lg: 0 16px 48px rgba(0, 0, 0, .5);--transition: .2s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px}body{font-family:Inter,sans-serif;background:var(--bg-base);color:var(--text-primary);min-height:100vh;-webkit-font-smoothing:antialiased;overflow-x:hidden}button{font-family:inherit;cursor:pointer;border:none}input,textarea,select{font-family:inherit}a{text-decoration:none;color:inherit}ul,ol{list-style:none}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-base)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--border-hover)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}.w-full{width:100%}.field{display:flex;flex-direction:column;gap:6px}.field label{font-size:.78rem;font-weight:600;color:var(--text-muted);letter-spacing:.04em;text-transform:uppercase}.field input,.field textarea,.field select{background:var(--bg-base);border:1.5px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);padding:10px 14px;font-size:.9rem;transition:border-color var(--transition),box-shadow var(--transition);width:100%}.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--brand-blue);box-shadow:0 0 0 3px var(--brand-blue-glow)}.field textarea{resize:vertical;min-height:90px}.field select{appearance:none;cursor:pointer}.field select option{background:var(--bg-card)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:var(--radius-sm);font-size:.88rem;font-weight:600;transition:all var(--transition);white-space:nowrap}.btn-primary{background:var(--brand-blue);color:#fff}.btn-primary:hover{background:var(--brand-blue-hover);transform:translateY(-1px);box-shadow:0 4px 16px var(--brand-blue-glow)}.btn-danger{background:var(--danger-bg);color:var(--danger);border:1px solid var(--danger)}.btn-danger:hover{background:var(--danger);color:#fff}.btn-ghost{background:transparent;color:var(--text-muted);border:1.5px solid var(--border)}.btn-ghost:hover{border-color:var(--border-hover);color:var(--text-primary);background:var(--bg-elevated)}.btn-sm{padding:7px 14px;font-size:.8rem}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:24px}.toast-wrapper{position:fixed;bottom:28px;right:28px;z-index:9999;display:flex;flex-direction:column;gap:10px}.toast{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-md);padding:14px 20px;font-size:.88rem;color:var(--text-primary);box-shadow:var(--shadow-md);display:flex;align-items:center;gap:10px;min-width:260px}.toast.success{border-left:3px solid var(--success)}.toast.error{border-left:3px solid var(--danger)}.modal-overlay{position:fixed;inset:0;background:#000000b3;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal-box{background:var(--bg-modal);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;width:100%;max-width:520px;box-shadow:var(--shadow-lg);position:relative}.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.modal-header h2{font-size:1.2rem;font-weight:700}.modal-close{background:var(--bg-elevated);border:1px solid var(--border);color:var(--text-muted);width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.1rem;cursor:pointer;transition:all var(--transition)}.modal-close:hover{border-color:var(--danger);color:var(--danger)}.app-shell{display:grid;grid-template-rows:60px 1fr;grid-template-columns:280px 1fr;height:100vh;overflow:hidden}.topbar{grid-column:1 / -1;display:flex;align-items:center;justify-content:space-between;padding:0 28px;background:var(--bg-card);border-bottom:1px solid var(--border);z-index:100}.sidebar{background:var(--bg-card);border-right:1px solid var(--border);padding:24px 16px;overflow-y:auto;display:flex;flex-direction:column;gap:24px}.main-content{overflow-y:auto;padding:28px}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-base);position:relative;overflow:hidden}.auth-page:before{content:"";position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(66,133,244,.07) 0%,transparent 70%);top:-100px;left:-100px;pointer-events:none}.auth-page:after{content:"";position:absolute;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(37,72,156,.08) 0%,transparent 70%);bottom:-80px;right:-80px;pointer-events:none}.auth-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);padding:44px 40px;width:100%;max-width:440px;box-shadow:var(--shadow-lg);position:relative;z-index:1}.auth-logo{display:flex;align-items:center;gap:12px;margin-bottom:32px}.auth-logo-icon{width:44px;height:44px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--brand-dark),var(--brand-blue));display:flex;align-items:center;justify-content:center;font-size:1.3rem}.auth-logo h1{font-size:1.2rem;font-weight:800;letter-spacing:-.02em}.auth-logo p{font-size:.75rem;color:var(--text-muted);margin-top:1px}.auth-title{font-size:1.5rem;font-weight:700;margin-bottom:6px}.auth-subtitle{font-size:.88rem;color:var(--text-muted);margin-bottom:28px}.auth-form{display:flex;flex-direction:column;gap:18px}.auth-error{background:var(--danger-bg);border:1px solid var(--danger);border-radius:var(--radius-sm);padding:12px 16px;font-size:.85rem;color:var(--danger)}.calendar-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.calendar-header h2{font-size:1.4rem;font-weight:700}.month-nav{display:flex;gap:8px;align-items:center}.month-nav button{width:36px;height:36px;border-radius:var(--radius-sm);background:var(--bg-elevated);border:1px solid var(--border);color:var(--text-primary);font-size:1rem;display:flex;align-items:center;justify-content:center;transition:all var(--transition)}.month-nav button:hover{border-color:var(--brand-blue);color:var(--brand-blue)}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}.day-label{text-align:center;font-size:.72rem;font-weight:600;color:var(--text-subtle);letter-spacing:.06em;text-transform:uppercase;padding:8px 0}.day-cell{background:var(--bg-card);border:1.5px solid var(--border);border-radius:var(--radius-sm);min-height:90px;padding:8px;cursor:pointer;position:relative;overflow:hidden;display:flex;flex-direction:column;transition:border-color var(--transition),box-shadow var(--transition),transform var(--transition)}.day-cell:hover:not(.empty):not(.past){border-color:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--shadow-sm)}.day-cell.empty{background:transparent;border-color:transparent;cursor:default}.day-cell.past{opacity:.5;cursor:default}.day-cell.past:hover{transform:none;border-color:var(--border);box-shadow:none}.day-cell.today{border-color:var(--brand-blue);box-shadow:0 0 0 1px var(--brand-blue),inset 0 0 24px #4285f40d}.day-cell.reserved-own{border-left:3px solid var(--status-locked)}.day-number{font-size:.82rem;font-weight:600;color:var(--text-primary);line-height:1;margin-bottom:6px}.day-cell.today .day-number{color:var(--brand-blue)}.day-cell.past .day-number{color:var(--text-muted)}.event-badge{display:inline-flex;align-items:center;gap:4px;padding:3px 7px;border-radius:99px;font-size:.68rem;font-weight:600;line-height:1.3;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:auto}.event-badge .dot{width:5px;height:5px;border-radius:50%;flex-shrink:0}.sidebar-section-title{font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--text-subtle);margin-bottom:10px}.legend-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--radius-sm);font-size:.82rem;color:var(--text-muted)}.legend-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.mini-stat{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);padding:14px 16px;display:flex;flex-direction:column;gap:4px}.mini-stat .label{font-size:.72rem;color:var(--text-subtle);text-transform:uppercase;letter-spacing:.05em}.mini-stat .value{font-size:1.6rem;font-weight:800;color:var(--text-primary)}.mini-stat .sub{font-size:.75rem;color:var(--text-muted)}.admin-page{max-width:960px;margin:0 auto}.admin-page h1{font-size:1.6rem;font-weight:800;margin-bottom:6px}.admin-page .subtitle{color:var(--text-muted);font-size:.88rem;margin-bottom:32px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.admin-table{width:100%;border-collapse:collapse;margin-top:16px}.admin-table th,.admin-table td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--border);font-size:.84rem}.admin-table th{color:var(--text-subtle);font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;font-weight:600}.admin-table tr:hover td{background:var(--bg-elevated)}.cat-pill{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:99px;font-size:.72rem;font-weight:600}.popover{position:absolute;z-index:500;background:var(--bg-modal);border:1px solid var(--border);border-radius:var(--radius-md);padding:20px;width:280px;box-shadow:var(--shadow-lg)}.popover-title{font-weight:700;font-size:.95rem;margin-bottom:4px}.popover-club{font-size:.78rem;color:var(--text-muted);margin-bottom:12px}.popover-row{display:flex;gap:6px;align-items:flex-start;margin-bottom:8px;font-size:.82rem}.popover-row .icon{color:var(--text-subtle);flex-shrink:0;margin-top:1px}.popover-actions{display:flex;gap:8px;margin-top:16px}.topbar-brand{display:flex;align-items:center;gap:12px}.topbar-logo{width:32px;height:32px;border-radius:7px;background:linear-gradient(135deg,var(--brand-dark),var(--brand-blue));display:flex;align-items:center;justify-content:center;font-size:.95rem}.topbar-title{font-weight:800;font-size:1rem;letter-spacing:-.02em}.topbar-right{display:flex;align-items:center;gap:16px}.user-chip{display:flex;align-items:center;gap:8px;padding:6px 12px;border-radius:99px;background:var(--bg-elevated);border:1px solid var(--border);font-size:.82rem}.user-avatar{width:24px;height:24px;border-radius:50%;background:linear-gradient(135deg,var(--brand-dark),var(--brand-blue));display:flex;align-items:center;justify-content:center;font-size:.65rem;font-weight:700;color:#fff}@media(max-width:768px){.app-shell{grid-template-columns:1fr;grid-template-rows:60px auto 1fr}.sidebar{display:none}.form-grid{grid-template-columns:1fr}.calendar-grid{gap:3px}.day-cell{min-height:60px}.modal-box{padding:24px}}.notif-bell-wrap{position:relative}.notif-bell-btn{position:relative;background:var(--bg-elevated);border:1.5px solid var(--border);border-radius:var(--radius-sm);width:36px;height:36px;display:flex;align-items:center;justify-content:center;font-size:1rem;transition:all var(--transition);color:var(--text-muted)}.notif-bell-btn:hover{border-color:var(--border-hover);color:var(--text-primary)}.notif-bell-btn.has-unread{border-color:var(--brand-blue);animation:bell-pulse 2s ease infinite}@keyframes bell-pulse{0%,to{box-shadow:0 0 #4285f466}50%{box-shadow:0 0 0 6px #4285f400}}.notif-badge{position:absolute;top:-6px;right:-6px;background:var(--danger);color:#fff;font-size:.6rem;font-weight:800;min-width:18px;height:18px;border-radius:99px;display:flex;align-items:center;justify-content:center;padding:0 4px;border:2px solid var(--bg-card);line-height:1}.notif-panel{position:absolute;top:calc(100% + 10px);right:0;width:360px;max-height:440px;background:var(--bg-modal);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:600;display:flex;flex-direction:column;overflow:hidden}.notif-panel-header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-bottom:1px solid var(--border);flex-shrink:0}.notif-panel-title{font-size:.88rem;font-weight:700;color:var(--text-primary)}.notif-mark-read-btn{font-size:.75rem;color:var(--brand-blue);background:none;border:none;cursor:pointer;font-weight:600;padding:0;transition:opacity var(--transition)}.notif-mark-read-btn:hover{opacity:.75}.notif-list{overflow-y:auto;flex:1}.notif-item{display:flex;align-items:flex-start;gap:10px;padding:13px 16px;border-bottom:1px solid var(--border);cursor:pointer;transition:background var(--transition);position:relative}.notif-item:last-child{border-bottom:none}.notif-item:hover{background:var(--bg-elevated)}.notif-item.unread{background:#4285f40d}.notif-unread-dot{width:7px;height:7px;border-radius:50%;background:var(--brand-blue);flex-shrink:0;margin-top:5px}.notif-content{flex:1;min-width:0}.notif-message{font-size:.82rem;color:var(--text-primary);line-height:1.5;margin-bottom:4px;word-break:break-word}.notif-time{font-size:.72rem;color:var(--text-subtle)}.notif-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:48px 24px;color:var(--text-subtle);font-size:.85rem}.notif-empty span{font-size:2rem}.notif-swap-actions{display:flex;gap:8px;margin-top:10px}.admin-tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:20px;padding-bottom:0}.admin-tab-btn{background:none;border:none;border-bottom:2px solid transparent;color:var(--text-muted);font-size:.85rem;font-weight:600;padding:10px 16px;cursor:pointer;transition:all var(--transition);margin-bottom:-1px}.admin-tab-btn:hover{color:var(--text-primary)}.admin-tab-btn.active{color:var(--brand-blue);border-bottom-color:var(--brand-blue)}.audit-log-list{display:flex;flex-direction:column;gap:0}.audit-log-row{display:flex;align-items:flex-start;gap:14px;padding:14px 4px;border-bottom:1px solid var(--border)}.audit-log-row:last-child{border-bottom:none}.audit-log-icon{width:34px;height:34px;border-radius:50%;background:var(--bg-elevated);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:.95rem;flex-shrink:0}.audit-log-body{flex:1;min-width:0}.audit-log-action{font-size:.78rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--text-subtle);margin-bottom:3px}.audit-log-desc{font-size:.85rem;color:var(--text-primary);line-height:1.5}.audit-log-time{font-size:.72rem;color:var(--text-subtle);white-space:nowrap;flex-shrink:0;padding-top:4px}.mode-toggle{display:flex;gap:0;border:1.5px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-base)}.mode-toggle-btn{flex:1;padding:10px 16px;font-size:.85rem;font-weight:600;background:transparent;color:var(--text-muted);border:none;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center;gap:6px}.mode-toggle-btn:not(:last-child){border-right:1.5px solid var(--border)}.mode-toggle-btn:hover:not(.active){background:var(--bg-elevated);color:var(--text-primary)}.mode-toggle-btn.active{background:var(--brand-blue);color:#fff;font-weight:700;box-shadow:inset 0 0 12px #4285f44d}