:root{--bg-color:#0f172a;--card-bg:rgba(30,41,59,0.6);--border-color:rgba(255,255,255,0.1);--primary:#3b82f6;--primary-hover:#2563eb;--text-main:#f8fafc;--text-muted:#94a3b8;--accent:#10b981}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Prompt','Inter',sans-serif;background:var(--bg-color);background-image:radial-gradient(circle at 15% 50%,rgba(59,130,246,.15) 0%,transparent 50%),radial-gradient(circle at 85% 30%,rgba(16,185,129,.15) 0%,transparent 50%);color:var(--text-main);min-height:100vh;overflow-x:hidden;-webkit-text-size-adjust:100%}
.hidden{display:none!important}
.glass{background:var(--card-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--border-color);border-radius:16px;box-shadow:0 8px 32px rgba(0,0,0,.2)}
input,select,textarea{font-size:16px!important}
select option{background:#1e293b;color:#fff}

/* Auth */
.auth-container{display:flex;justify-content:center;align-items:center;min-height:100vh;padding:16px}
.auth-card{width:100%;max-width:420px;padding:2rem}
.auth-header{text-align:center;margin-bottom:2rem}
.auth-header .logo{font-size:1.75rem;font-weight:700;color:var(--primary);margin-bottom:.5rem}
.auth-header h2{font-size:1.5rem;font-weight:600;margin-bottom:.25rem}
.auth-header p{color:var(--text-muted);font-size:.875rem}
.input-group{margin-bottom:1.25rem}
.input-group label,.form-group label{display:block;margin-bottom:.5rem;font-size:.875rem;color:var(--text-muted)}
.input-group input,.form-group input,.form-group select,.input-text{width:100%;padding:.75rem 1rem;background:rgba(15,23,42,.6);border:1px solid var(--border-color);border-radius:8px;color:var(--text-main);font-family:inherit;transition:all .2s}
.input-group input:focus,.form-group input:focus,.form-group select:focus,.input-text:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(59,130,246,.2)}
.btn-primary{background:var(--primary);color:#fff;border:none;padding:.875rem 1.5rem;border-radius:8px;font-weight:500;cursor:pointer;transition:all .2s;font-family:inherit;font-size:1rem}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 4px 12px rgba(59,130,246,.3)}
.btn-primary:disabled{opacity:.7;cursor:not-allowed;transform:none}
.w-full{width:100%}
.mt-4{margin-top:1rem}
.btn-outline{background:rgba(255,255,255,.02);border:1px solid var(--border-color);color:var(--text-main);padding:.6rem;border-radius:8px;display:flex;align-items:center;justify-content:center;gap:.5rem;cursor:pointer;transition:all .2s;font-family:inherit}
.btn-outline:hover{background:rgba(255,255,255,.08)}
.auth-divider{text-align:center;margin:1.5rem 0;position:relative}
.auth-divider::before{content:'';position:absolute;left:0;top:50%;width:100%;height:1px;background:var(--border-color)}
.auth-divider span{background:#1e293b;padding:0 10px;position:relative;color:var(--text-muted);font-size:.875rem}
.auth-switch{text-align:center;font-size:.875rem;color:var(--text-muted)}
.auth-switch a{color:var(--primary);text-decoration:none;font-weight:500}

/* Dashboard */
#dashboard-view{display:flex}
.hamburger{display:none;background:none;border:none;color:var(--text-main);font-size:1.5rem;cursor:pointer;padding:.25rem}
.sidebar{width:240px;height:100vh;position:fixed;border-radius:0;border-top:none;border-bottom:none;border-left:none;display:flex;flex-direction:column;z-index:50;transition:transform .3s ease}
.sidebar-backdrop{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);z-index:40}
.logo-container{padding:1.25rem 1.5rem;border-bottom:1px solid var(--border-color)}
.sidebar .logo{font-size:1.35rem;font-weight:700;color:var(--primary)}
.nav-links{list-style:none;padding:1rem 0;flex:1;overflow-y:auto}
.nav-links li a{display:flex;align-items:center;gap:.75rem;padding:.75rem 1.5rem;color:var(--text-muted);text-decoration:none;transition:all .2s;font-size:.9rem}
.nav-links li.active a,.nav-links li a:hover{color:var(--text-main);background:rgba(59,130,246,.1);border-right:3px solid var(--primary)}
.user-profile{padding:1rem 1.5rem;border-top:1px solid var(--border-color);display:flex;align-items:center;gap:.75rem;background:rgba(0,0,0,.1)}
.avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--primary),#8b5cf6);display:flex;align-items:center;justify-content:center;font-weight:bold;font-size:1rem;flex-shrink:0}
.user-info{flex:1;overflow:hidden;min-width:0}
.user-name{font-weight:500;font-size:.8rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.shop-name{font-size:.7rem;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.logout-btn{background:transparent;border:none;cursor:pointer;font-size:1.1rem;opacity:.6;transition:.2s;padding:.25rem;flex-shrink:0}
.logout-btn:hover{opacity:1;transform:scale(1.1)}

.main-content{margin-left:240px;flex:1;min-height:100vh;width:calc(100% - 240px)}
.topbar{padding:1rem 1.5rem;border-radius:0;border-top:none;border-left:none;border-right:none;display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;z-index:5;background:rgba(30,41,59,.8)}
.topbar h1{font-size:1.15rem;font-weight:600;white-space:nowrap}
.plan-badge{background:rgba(16,185,129,.15);color:var(--accent);padding:.3rem .75rem;border-radius:20px;font-size:.75rem;font-weight:500;border:1px solid rgba(16,185,129,.3);white-space:nowrap}
.credit-badge{background:rgba(59,130,246,.15);color:var(--primary);padding:.3rem .75rem;border-radius:20px;font-size:.75rem;font-weight:600;border:1px solid rgba(59,130,246,.3);cursor:pointer;transition:.2s;white-space:nowrap}
.credit-badge:hover{background:rgba(59,130,246,.25)}
.content-area{padding:1.5rem;max-width:1100px;margin:0 auto}
.link-card{padding:1.5rem}
.link-card h2{margin-bottom:.5rem;font-size:1.25rem}
.link-card p{color:var(--text-muted);margin-bottom:1.5rem;font-size:.9rem}
.form-group{margin-bottom:1.25rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}

.code-result{margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--border-color);animation:fadeIn .4s ease-out}
.code-box{display:flex;justify-content:space-between;align-items:center;background:rgba(0,0,0,.4);border:2px dashed var(--primary);padding:1rem;border-radius:12px;margin-bottom:1.5rem;flex-wrap:wrap;gap:.5rem}
.code-box span{font-size:1.75rem;font-weight:700;letter-spacing:4px;color:var(--primary);font-family:monospace;word-break:break-all}
.btn-icon{background:rgba(255,255,255,.05);border:1px solid var(--border-color);border-radius:8px;padding:.5rem;font-size:1.25rem;cursor:pointer;transition:.2s;flex-shrink:0}
.btn-icon:hover{transform:scale(1.05);background:rgba(255,255,255,.1)}
.instruction{background:rgba(59,130,246,.05);padding:1.25rem;border-radius:12px;border:1px solid rgba(59,130,246,.1)}
.instruction ol{margin-left:1.25rem;margin-top:.75rem;margin-bottom:1rem;font-size:.9rem;line-height:1.6}
.instruction li{margin-bottom:.5rem}
.highlight{background:rgba(59,130,246,.2);color:#60a5fa;padding:.25rem .5rem;border-radius:6px;font-weight:600;font-family:monospace;font-size:1rem;word-break:break-all}
.text-sm{font-size:.875rem}
.text-gray{color:var(--text-muted)}

/* Modal */
.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;z-index:100;background:rgba(0,0,0,.7);display:flex;justify-content:center;align-items:flex-start;padding:2vh 16px;overflow-y:auto;animation:fadeIn .2s ease}
.modal-content{width:100%;max-width:900px;border-radius:16px;animation:slideUp .3s ease;margin:auto 0}
.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;border-bottom:1px solid var(--border-color)}
.modal-header h2{font-size:1.15rem}
.modal-close{background:none;border:none;color:var(--text-muted);font-size:1.5rem;cursor:pointer;transition:.2s;padding:.25rem}
.modal-close:hover{color:#ef4444}
.modal-body{padding:1.5rem}
.modal-grid{display:grid;grid-template-columns:240px 1fr;gap:1.5rem}
.modal-image-section{display:flex;flex-direction:column}
.car-profile-image{width:100%;aspect-ratio:4/3;border-radius:12px;overflow:hidden;background:rgba(0,0,0,.3);border:2px dashed var(--border-color);display:flex;align-items:center;justify-content:center;margin-bottom:1rem}
.car-profile-image img{width:100%;height:100%;object-fit:cover}
.car-placeholder{font-size:3.5rem;opacity:.3}
.btn-ai{background:linear-gradient(135deg,#8b5cf6,#6366f1);color:#fff;border:none;padding:.75rem 1rem;border-radius:8px;font-weight:500;cursor:pointer;transition:all .2s;font-family:inherit;font-size:.85rem;text-align:center;width:100%}
.btn-ai:hover{transform:translateY(-2px);box-shadow:0 4px 16px rgba(99,102,241,.4)}
.btn-ai:disabled{opacity:.6;cursor:not-allowed;transform:none}
.ai-cost{opacity:.7;font-size:.75rem}
.car-gallery{display:flex;gap:6px;flex-wrap:wrap}
.car-gallery img{width:55px;height:42px;object-fit:cover;border-radius:6px;border:1px solid var(--border-color);cursor:pointer;transition:.2s}
.car-gallery img:hover{border-color:var(--primary);transform:scale(1.05)}
.gallery-delete{position:relative}
.gallery-delete::after{content:'✕';position:absolute;top:-4px;right:-4px;background:#ef4444;color:#fff;font-size:.6rem;width:16px;height:16px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer}
.car-thumb{width:44px;height:34px;border-radius:6px;object-fit:cover;border:1px solid var(--border-color)}
.car-thumb-placeholder{width:44px;height:34px;border-radius:6px;background:rgba(0,0,0,.2);display:flex;align-items:center;justify-content:center;font-size:1rem;opacity:.4}

@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes slideIn{from{transform:translateY(120%)}to{transform:translateY(0)}}
.toast{position:fixed;bottom:20px;right:16px;left:16px;background:#1e293b;border:1px solid var(--border-color);padding:.875rem 1.25rem;border-radius:8px;box-shadow:0 10px 40px rgba(0,0,0,.5);z-index:1000;animation:slideIn .3s cubic-bezier(.16,1,.3,1);font-weight:500;font-size:.9rem}

/* ===== RESPONSIVE ===== */
@media(max-width:900px){
    .modal-grid{grid-template-columns:1fr}
    .modal-image-section{flex-direction:row;gap:1rem;flex-wrap:wrap}
    .car-profile-image{max-width:200px}
}
@media(max-width:768px){
    .hamburger{display:block}
    .sidebar{transform:translateX(-100%)}
    .sidebar.open{transform:translateX(0)}
    .main-content{margin-left:0;width:100%}
    .topbar{padding:.875rem 1rem}
    .topbar h1{font-size:1rem}
    .content-area{padding:.75rem}
    .link-card{padding:1rem}
    .link-card h2{font-size:1.1rem}
    .form-row{grid-template-columns:1fr;gap:0}
    .modal-overlay{padding:0;align-items:flex-end}
    .modal-content{max-width:100%;border-radius:16px 16px 0 0;max-height:92vh;overflow-y:auto}
    .modal-body{padding:1.25rem}
    .modal-grid{grid-template-columns:1fr}
    .modal-image-section{flex-direction:column}
    .car-profile-image{max-width:100%}
    .toast{right:12px;left:12px;bottom:12px}
    /* Booking calendar header stack */
    .bk-header{flex-direction:column!important;gap:.75rem!important;align-items:flex-start!important}
    .bk-controls{width:100%;justify-content:space-between!important}
    /* Overview stats */
    .stat-grid{grid-template-columns:1fr!important}
    .overview-charts{grid-template-columns:1fr!important}
    /* Wallet */
    .wallet-grid{grid-template-columns:1fr!important}
}
@media(max-width:480px){
    .auth-card{padding:1.5rem}
    .auth-header .logo{font-size:1.5rem}
    .content-area{padding:.5rem}
    .topbar h1{font-size:.9rem}
    .plan-badge,.credit-badge{font-size:.65rem;padding:.2rem .5rem}
    .code-box span{font-size:1.25rem;letter-spacing:2px}
    .btn-primary{padding:.75rem 1rem;font-size:.9rem}
}

::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:3px}