@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Space+Grotesk:wght@500;700&display=swap');

:root {
  --brand:       #5C3EFF;
  --brand-light: #EEE9FF;
  --brand-dark:  #3B24C0;
  --surface:     #FFFFFF;
  --bg:          #F5F4F8;
  --card:        #FFFFFF;
  --border:      rgba(0,0,0,0.09);
  --text:        #1A1A2E;
  --muted:       #6B6B80;
  --success:     #1A9E6B;
  --success-bg:  #E4F7F0;
  --warn:        #C4640A;
  --warn-bg:     #FEF2E1;
  --danger:      #C0283A;
  --danger-bg:   #FDEAEC;
  --radius:      12px;
  --radius-sm:   8px;
  --shadow:      0 2px 12px rgba(0,0,0,0.07);
  --shadow-lg:   0 8px 32px rgba(0,0,0,0.13);
}

*{box-sizing:border-box;margin:0;padding:0;}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);font-size:15px;line-height:1.6;min-height:100vh;}

/* NAV */
nav{background:var(--surface);border-bottom:1px solid var(--border);padding:0 24px;display:flex;align-items:center;justify-content:space-between;height:60px;position:sticky;top:0;z-index:100;box-shadow:var(--shadow);}
.nav-logo{font-family:'Space Grotesk',sans-serif;font-size:22px;font-weight:700;color:var(--brand);cursor:pointer;letter-spacing:-.5px;text-decoration:none;}
.nav-logo span{color:var(--text);}
.nav-right{display:flex;align-items:center;gap:10px;}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 18px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;cursor:pointer;border:none;transition:all .15s;font-family:inherit;text-decoration:none;white-space:nowrap;}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-dark);}
.btn-outline{background:transparent;color:var(--brand);border:1.5px solid var(--brand);}
.btn-outline:hover{background:var(--brand-light);}
.btn-ghost{background:transparent;color:var(--muted);border:1px solid var(--border);}
.btn-ghost:hover{background:var(--bg);color:var(--text);}
.btn-danger{background:var(--danger-bg);color:var(--danger);border:1px solid var(--danger);}
.btn-danger:hover{background:var(--danger);color:#fff;}
.btn-success{background:var(--success);color:#fff;}
.btn-sm{padding:6px 12px;font-size:13px;}
.btn-block{width:100%;justify-content:center;}
.btn:disabled{opacity:.5;cursor:not-allowed;}

/* AVATAR */
.avatar-circle{width:36px;height:36px;border-radius:50%;background:var(--brand);color:#fff;font-weight:600;font-size:13px;display:flex;align-items:center;justify-content:center;cursor:pointer;flex-shrink:0;text-decoration:none;}

/* CARDS */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px 24px;}

/* FORMS */
.form-group{margin-bottom:16px;}
.form-label{display:block;font-size:13px;font-weight:500;margin-bottom:6px;}
.form-hint{font-size:12px;color:var(--muted);margin-top:4px;}
.form-input,.form-select,.form-textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:14px;font-family:inherit;color:var(--text);background:var(--bg);outline:none;transition:border-color .15s;}
.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--brand);background:#fff;}
.form-textarea{resize:vertical;min-height:90px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;}

/* TAGS */
.tag{font-size:11px;font-weight:600;padding:3px 8px;border-radius:20px;text-transform:uppercase;letter-spacing:.4px;display:inline-block;}
.tag-food{background:#FDEADE;color:#E2480D;}
.tag-services{background:var(--brand-light);color:var(--brand);}
.tag-goods{background:#E4F2FC;color:#0B7BC8;}
.tag-gigs{background:var(--success-bg);color:var(--success);}

/* BADGES */
.badge{display:inline-flex;align-items:center;gap:4px;font-size:11px;font-weight:500;padding:3px 8px;border-radius:20px;}
.badge-verified{background:var(--success-bg);color:var(--success);}
.badge-featured{background:#FEF2E1;color:var(--warn);}

/* TABS */
.tab-bar{display:flex;gap:0;border-bottom:1px solid var(--border);background:var(--surface);padding:0 24px;overflow-x:auto;}
.tab-btn{padding:14px 18px;border:none;background:none;font-size:14px;font-weight:500;color:var(--muted);cursor:pointer;border-bottom:2.5px solid transparent;transition:all .15s;font-family:inherit;white-space:nowrap;}
.tab-btn.active{color:var(--brand);border-bottom-color:var(--brand);}
.tab-btn:hover:not(.active){color:var(--text);}

/* MODAL */
.modal-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,0.42);z-index:200;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(2px);}
.modal-overlay.open{display:flex;}
.modal{background:var(--surface);border-radius:var(--radius);max-width:560px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);}
.modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px 16px;border-bottom:1px solid var(--border);}
.modal-header h2{font-size:18px;font-weight:700;}
.modal-close{background:none;border:none;cursor:pointer;color:var(--muted);font-size:20px;display:flex;padding:4px;border-radius:6px;}
.modal-close:hover{background:var(--bg);color:var(--text);}
.modal-body{padding:20px 24px 24px;}

/* TOAST */
#toast{position:fixed;bottom:24px;right:24px;background:var(--text);color:#fff;padding:12px 20px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;z-index:999;opacity:0;transform:translateY(10px);transition:all .25s;pointer-events:none;max-width:320px;}
#toast.show{opacity:1;transform:translateY(0);}
#toast.toast-error{background:var(--danger);}
#toast.toast-success{background:var(--success);}

/* SPINNER */
.spinner{width:18px;height:18px;border:2.5px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;display:inline-block;}
.spinner-dark{width:26px;height:26px;border:3px solid var(--border);border-top-color:var(--brand);border-radius:50%;animation:spin .7s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}

/* DIVIDER */
.divider{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:12px;margin:18px 0;}
.divider::before,.divider::after{content:'';flex:1;height:1px;background:var(--border);}

/* EMPTY STATE */
.empty-state{text-align:center;padding:60px 24px;color:var(--muted);}
.empty-state .emoji{font-size:48px;margin-bottom:16px;}
.empty-state h3{font-size:17px;font-weight:600;color:var(--text);margin-bottom:8px;}
.empty-state p{font-size:14px;max-width:320px;margin:0 auto 20px;}

/* LISTING CARDS */
.listing-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;cursor:pointer;transition:all .18s;display:flex;flex-direction:column;position:relative;}
.listing-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:transparent;}
.listing-card.featured-card{border:2px solid #E2A820;}
.listing-img{width:100%;height:150px;background:var(--brand-light);display:flex;align-items:center;justify-content:center;font-size:44px;}
.listing-body{padding:12px 14px 14px;flex:1;display:flex;flex-direction:column;}
.listing-meta{display:flex;align-items:center;gap:6px;margin-bottom:7px;flex-wrap:wrap;}
.listing-campus{font-size:11px;color:var(--muted);}
.listing-title{font-size:14px;font-weight:600;margin-bottom:4px;line-height:1.35;}
.listing-desc{font-size:13px;color:var(--muted);flex:1;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.listing-footer{display:flex;justify-content:space-between;align-items:center;margin-top:auto;}
.listing-price{font-size:17px;font-weight:700;color:var(--brand);}
.listing-price small{font-size:11px;font-weight:400;color:var(--muted);}
.featured-ribbon{position:absolute;top:0;right:0;background:#E2A820;color:#fff;font-size:10px;font-weight:700;padding:4px 10px;border-radius:0 var(--radius) 0 var(--radius-sm);text-transform:uppercase;letter-spacing:.5px;}
.badge-promoted{background:#FEF2E1;color:var(--warn);font-size:10px;font-weight:700;padding:2px 7px;border-radius:20px;text-transform:uppercase;letter-spacing:.5px;}
.seller-avatar{width:22px;height:22px;border-radius:50%;font-size:9px;font-weight:600;display:flex;align-items:center;justify-content:center;background:var(--brand-light);color:var(--brand);}
.listing-seller{display:flex;align-items:center;gap:5px;font-size:12px;color:var(--muted);}
.wishlist-btn{background:none;border:none;cursor:pointer;font-size:16px;padding:3px;transition:transform .1s;}
.wishlist-btn:hover{transform:scale(1.2);}

/* GRID */
.listings-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px;}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:24px;}
.stat-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;}
.stat-card .stat-label{font-size:12px;color:var(--muted);margin-bottom:6px;}
.stat-card .stat-value{font-size:26px;font-weight:700;}
.stat-card .stat-sub{font-size:12px;color:var(--muted);margin-top:2px;}

/* PRICING */
.pricing-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;}
.pricing-card{background:var(--card);border:1.5px solid var(--border);border-radius:var(--radius);padding:24px 20px;text-align:center;}
.pricing-card.popular{border-color:var(--brand);}
.pricing-card .popular-badge{background:var(--brand);color:#fff;font-size:11px;font-weight:700;padding:3px 12px;border-radius:20px;display:inline-block;margin-bottom:12px;text-transform:uppercase;letter-spacing:.5px;}
.pricing-card h3{font-size:17px;font-weight:700;margin-bottom:4px;}
.pricing-card .price{font-size:32px;font-weight:700;color:var(--brand);margin:12px 0 4px;}
.pricing-card .price-sub{font-size:13px;color:var(--muted);margin-bottom:16px;}
.pricing-card ul{list-style:none;text-align:left;margin-bottom:20px;display:flex;flex-direction:column;gap:8px;}
.pricing-card ul li{font-size:13px;display:flex;gap:8px;line-height:1.5;}
.pricing-card ul li::before{content:'✓';color:var(--success);font-weight:700;flex-shrink:0;}
.pricing-card ul li.no::before{content:'✕';color:var(--muted);}

/* MODAL extras */
.modal-listing-img{width:100%;height:190px;border-radius:var(--radius-sm);background:var(--brand-light);display:flex;align-items:center;justify-content:center;font-size:60px;margin-bottom:16px;}
.modal-price{font-size:26px;font-weight:700;color:var(--brand);}
.modal-seller-row{display:flex;align-items:center;gap:12px;padding:12px 14px;background:var(--bg);border-radius:var(--radius-sm);margin:14px 0;}
.modal-seller-avatar{width:42px;height:42px;border-radius:50%;background:var(--brand);color:#fff;font-size:15px;font-weight:700;display:flex;align-items:center;justify-content:center;}
.contact-links{display:flex;flex-direction:column;gap:8px;margin-bottom:16px;}
.contact-link{display:flex;align-items:center;gap:10px;padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);text-decoration:none;color:var(--text);font-size:14px;transition:background .1s;}
.contact-link:hover{background:var(--bg);}
.contact-link .ci{font-size:18px;width:24px;text-align:center;}

/* PRIVACY TIP */
.privacy-tip{background:var(--warn-bg);border:1px solid #F2D49B;border-radius:var(--radius-sm);padding:10px 14px;font-size:13px;color:var(--warn);line-height:1.6;margin-bottom:14px;}

/* LISTING ROW (dashboard) */
.listing-row{display:flex;align-items:center;gap:12px;padding:14px 0;border-bottom:1px solid var(--border);}
.listing-row:last-child{border-bottom:none;}
.listing-row-emoji{font-size:26px;flex-shrink:0;}
.listing-row-body{flex:1;min-width:0;}
.listing-row-title{font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.listing-row-meta{font-size:12px;color:var(--muted);margin-top:2px;}
.listing-row-actions{display:flex;gap:6px;flex-shrink:0;}

/* INFO ROW */
.info-row{display:flex;justify-content:space-between;align-items:center;padding:12px 0;border-bottom:1px solid var(--border);font-size:14px;}
.info-row:last-child{border-bottom:none;}
.info-label{color:var(--muted);}
.info-value{font-weight:500;}

/* PLAN CHIPS */
.plan-chip{display:inline-block;padding:4px 12px;border-radius:20px;font-size:12px;font-weight:600;}
.plan-free{background:var(--bg);color:var(--muted);border:1px solid var(--border);}
.plan-tier1{background:var(--brand-light);color:var(--brand);}
.plan-tier2{background:var(--success-bg);color:var(--success);}
.plan-once_off{background:#E4F2FC;color:#0B7BC8;}

/* RESPONSIVE */
@media(max-width:640px){
  nav{padding:0 14px;}
  .form-row{grid-template-columns:1fr;}
  .listings-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr 1fr;}
  .pricing-grid{grid-template-columns:1fr;}
  .modal-body{padding:14px 16px 18px;}
  .tab-bar{padding:0 14px;}
}