@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700&display=swap');

:root {
  --bg: #fff;
  --bg-page: #F7F7F8;
  --bg-card: #fff;
  --text: #0A0A0A;
  --text-secondary: #555560;
  --text-muted: #8C8C96;
  --text-dim: #B0B0B8;
  --accent: #E8366D;
  --accent-hover: #c92d5b;
  --accent-light: rgba(232,54,109,.06);
  --accent-light2: rgba(232,54,109,.1);
  --green: #16a34a;
  --green-light: rgba(22,163,74,.08);
  --yellow: #ca8a04;
  --yellow-light: rgba(202,138,4,.08);
  --blue: #2563eb;
  --blue-light: rgba(37,99,235,.08);
  --red: #dc2626;
  --red-light: rgba(220,38,38,.08);
  --purple: #7c3aed;
  --purple-light: rgba(124,58,237,.08);
  --border: #E8E8EC;
  --border-light: #F0F0F4;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.04);
  --shadow-md: 0 4px 16px rgba(0,0,0,.06);
  --shadow-lg: 0 12px 40px rgba(0,0,0,.08);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { overflow-x: hidden; }
body { font-family: 'Inter', sans-serif; background: var(--bg); color: var(--text); -webkit-font-smoothing: antialiased; }

/* Nav */
.nav { position: fixed; top: 0; left: 0; right: 0; height: 64px; background: rgba(255,255,255,.88); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); z-index: 1000; display: flex; align-items: center; justify-content: space-between; padding: 0 40px; }
.nav-logo { font-family: 'Poppins', sans-serif; font-size: 20px; font-weight: 600; color: var(--text); letter-spacing: -.03em; cursor: pointer; }
.nav-right { display: flex; gap: 10px; align-items: center; }
.nav-btn { font-size: 13px; font-weight: 600; padding: 9px 22px; background: transparent; color: var(--text); border: 1px solid var(--border); border-radius: 10px; cursor: pointer; font-family: 'Inter', sans-serif; }
.nav-btn:hover { background: var(--bg-page); }
.nav-btn--accent { background: var(--accent); color: #fff; border-color: var(--accent); }
.nav-btn--accent:hover { background: var(--accent-hover); }

/* Buttons */
.btn-primary { font-family: 'Inter', sans-serif; font-size: 14px; font-weight: 600; padding: 14px 32px; border-radius: 12px; background: var(--accent); color: #fff; border: none; cursor: pointer; transition: transform .2s, box-shadow .2s; display: inline-flex; align-items: center; justify-content: center; gap: 8px; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(232,54,109,.25); }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }
.btn-secondary { font-family: 'Inter', sans-serif; font-size: 14px; font-weight: 600; padding: 14px 32px; border-radius: 12px; background: transparent; color: var(--text-secondary); border: 1px solid var(--border); cursor: pointer; }
.btn-secondary:hover { border-color: var(--text-muted); color: var(--text); }
.btn-sm { padding: 10px 20px; font-size: 13px; border-radius: 10px; }

/* Forms */
.form-group { margin-bottom: 20px; }
.form-label { display: block; font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.form-input { width: 100%; padding: 13px 16px; border-radius: 10px; border: 1px solid var(--border); background: var(--bg); color: var(--text); font-family: 'Inter', sans-serif; font-size: 14px; outline: none; }
.form-input:focus { border-color: var(--accent); }
.form-input::placeholder { color: var(--text-dim); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-divider { display: flex; align-items: center; gap: 16px; margin: 24px 0; font-size: 12px; color: var(--text-dim); }
.form-divider::before, .form-divider::after { content: ''; flex: 1; height: 1px; background: var(--border); }
.form-error { font-size: 12px; color: var(--red); margin-top: 6px; }

/* Auth */
.auth-screen { padding-top: 64px; min-height: 100vh; display: flex; align-items: center; justify-content: center; position: relative; }
.auth-screen::before { content: ''; position: absolute; inset: 0; background: radial-gradient(ellipse 60% 50% at 10% 90%, rgba(232,54,109,.03) 0%, transparent 60%); pointer-events: none; }
.auth-card { position: relative; z-index: 2; width: 100%; max-width: 460px; padding: 48px 40px; background: var(--bg-card); border: 1px solid var(--border); border-radius: 20px; box-shadow: var(--shadow-lg); }
.auth-logo { font-family: 'Poppins', sans-serif; font-size: 22px; font-weight: 600; text-align: center; margin-bottom: 8px; }
.auth-subtitle { font-size: 14px; color: var(--text-muted); text-align: center; margin-bottom: 36px; }
.auth-footer { font-size: 12px; color: var(--text-muted); text-align: center; margin-top: 24px; }
.auth-footer a { color: var(--accent); font-weight: 600; cursor: pointer; text-decoration: none; }
.google-btn { width: 100%; padding: 13px; border-radius: 10px; border: 1px solid var(--border); background: var(--bg); color: var(--text); font-family: 'Inter', sans-serif; font-size: 14px; font-weight: 500; cursor: pointer; display: flex; align-items: center; justify-content: center; gap: 10px; }
.google-btn:hover { background: var(--bg-page); }
.google-btn svg { width: 20px; height: 20px; }

/* Landing */
.landing { padding-top: 64px; min-height: 100vh; }
.landing-hero { max-width: 720px; margin: 0 auto; padding: 80px 24px 48px; text-align: center; }
.landing-title { font-family: 'Poppins', sans-serif; font-size: clamp(32px, 4vw, 44px); font-weight: 700; letter-spacing: -.03em; line-height: 1.15; margin-bottom: 16px; }
.landing-desc { font-size: 16px; color: var(--text-secondary); line-height: 1.7; max-width: 520px; margin: 0 auto 48px; }

/* Steps */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; max-width: 720px; margin: 0 auto 60px; padding: 0 24px; }
.step-card { text-align: center; padding: 28px 20px; }
.step-num { font-size: 11px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px; }
.step-title { font-family: 'Poppins', sans-serif; font-size: 15px; font-weight: 600; margin-bottom: 6px; }
.step-desc { font-size: 13px; color: var(--text-secondary); line-height: 1.5; }

/* Wizard step indicators */
.wizard-steps { display: flex; align-items: center; justify-content: center; gap: 0; margin-bottom: 32px; }
.wizard-step { display: flex; align-items: center; gap: 0; }
.wizard-dot { width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 700; border: 2px solid var(--border); color: var(--text-muted); background: var(--bg); transition: all .3s; }
.wizard-dot.active { border-color: var(--accent); color: var(--accent); background: var(--accent-light); }
.wizard-dot.done { border-color: var(--green); background: var(--green); color: #fff; }
.wizard-line { width: 60px; height: 2px; background: var(--border); }
.wizard-line.active { background: var(--accent); }
.wizard-line.done { background: var(--green); }

/* Upload zone */
.upload-zone { border: 2px dashed var(--border); border-radius: 16px; padding: 48px 24px; text-align: center; cursor: pointer; transition: border-color .3s, background .3s, padding .3s; }
.upload-zone.compact { padding: 14px 24px; }
.upload-zone.compact .upload-zone-icon { display: none; }
.upload-zone.compact .upload-zone-hint { display: none; }
.upload-zone.compact .upload-zone-text { margin-bottom: 0; font-size: 13px; }
.upload-zone:hover, .upload-zone.dragover { border-color: var(--accent); background: var(--accent-light); }
.upload-zone-icon { font-size: 36px; margin-bottom: 12px; color: var(--text-muted); }
.upload-zone-text { font-size: 14px; color: var(--text-secondary); margin-bottom: 8px; }
.upload-zone-hint { font-size: 12px; color: var(--text-dim); }

/* File queue */
.file-queue { margin-top: 20px; display: flex; flex-direction: column; gap: 8px; max-height: 40vh; overflow-y: auto; }
.file-item { display: flex; align-items: center; gap: 12px; padding: 10px 14px; border: 1px solid var(--border); border-radius: 10px; background: var(--bg); }
.file-thumb { width: 44px; height: 44px; border-radius: 8px; object-fit: cover; background: var(--bg-page); flex-shrink: 0; }
.file-info { flex: 1; min-width: 0; }
.file-name { font-size: 13px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.file-size { font-size: 11px; color: var(--text-muted); }
.file-progress { height: 3px; border-radius: 2px; background: var(--border); margin-top: 4px; overflow: hidden; }
.file-progress-fill { height: 100%; border-radius: 2px; background: var(--accent); transition: width .3s; }
.file-progress-fill.done { background: var(--green); }
.file-remove { width: 28px; height: 28px; border-radius: 6px; border: none; background: transparent; cursor: pointer; color: var(--text-muted); font-size: 16px; display: flex; align-items: center; justify-content: center; }
.file-remove:hover { background: var(--red-light); color: var(--red); }
.file-counter { font-size: 13px; color: var(--text-secondary); margin-top: 12px; font-weight: 500; }

/* Action bar */
.wizard-actions-sticky { display: flex; justify-content: space-between; margin-top: 24px; }

/* Thanks / Success screen */
.success-screen { text-align: center; padding: 40px 24px; }
.success-icon { width: 72px; height: 72px; border-radius: 50%; background: var(--green-light); display: flex; align-items: center; justify-content: center; margin: 0 auto 24px; font-size: 16px; font-weight: 700; color: var(--green); }
.success-title { font-family: 'Poppins', sans-serif; font-size: 24px; font-weight: 700; margin-bottom: 12px; }
.success-desc { font-size: 14px; color: var(--text-secondary); line-height: 1.7; max-width: 420px; margin: 0 auto 32px; }

/* Status page */
.status-container { max-width: 640px; margin: 0 auto; padding: 100px 24px 60px; }
.status-steps { display: flex; align-items: center; justify-content: space-between; margin-bottom: 40px; position: relative; }
.status-step { display: flex; flex-direction: column; align-items: center; gap: 8px; z-index: 1; }
.status-dot { width: 36px; height: 36px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 16px; border: 2px solid var(--border); background: var(--bg); }
.status-dot.active { border-color: var(--accent); background: var(--accent-light); animation: pulse 2s infinite; }
.status-dot.done { border-color: var(--green); background: var(--green); color: #fff; }
.status-label { font-size: 11px; font-weight: 600; color: var(--text-muted); text-align: center; max-width: 80px; }
.status-line { position: absolute; top: 18px; left: 40px; right: 40px; height: 2px; background: var(--border); z-index: 0; }
.status-progress { height: 100%; background: var(--green); border-radius: 1px; transition: width .5s; }

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(232,54,109,.2); }
  50% { box-shadow: 0 0 0 8px rgba(232,54,109,0); }
}

/* Trip list */
.trip-list { display: flex; flex-direction: column; gap: 12px; }
.trip-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px; padding: 20px 24px; cursor: pointer; transition: border-color .2s, box-shadow .2s; }
.trip-card:hover { border-color: var(--accent); box-shadow: 0 2px 12px rgba(232,54,109,.08); }
.trip-card.expanded { border-color: var(--accent); }
.trip-card-header { display: flex; align-items: center; gap: 12px; }
.trip-card-chevron { font-size: 14px; color: var(--text-muted); transition: transform .2s; flex-shrink: 0; }
.trip-card-details { border-top: 1px solid var(--border); margin-top: 16px; padding-top: 4px; }
.trip-status-badge { font-size: 11px; font-weight: 600; padding: 3px 10px; border-radius: 6px; white-space: nowrap; }

/* Voucher card */
.voucher-card { background: linear-gradient(135deg, var(--accent-light) 0%, var(--green-light) 100%); border: 2px solid var(--green); border-radius: 16px; padding: 28px; text-align: center; margin-top: 24px; }
.voucher-label { font-size: 12px; font-weight: 600; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.voucher-code { font-family: 'Poppins', sans-serif; font-size: 28px; font-weight: 700; color: var(--green); letter-spacing: 2px; }

/* Toast */
.toast-notification { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px); padding: 12px 24px; border-radius: 10px; font-size: 13px; font-weight: 500; z-index: 9999; opacity: 0; transition: opacity .3s, transform .3s; pointer-events: none; }
.toast-show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast-info { background: var(--text); color: #fff; }
.toast-success { background: var(--green); color: #fff; }
.toast-error { background: var(--red); color: #fff; }

/* Card */
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: 20px; padding: 32px; box-shadow: var(--shadow-sm); }

/* Responsive */
@media (max-width: 640px) {
  .nav { padding: 0 20px; }
  .landing-hero { padding: 48px 20px 32px; }
  .steps-grid { grid-template-columns: 1fr; gap: 12px; }
  .auth-card { margin: 0 16px; padding: 32px 24px; }
  .form-row { grid-template-columns: 1fr; }
  .wizard-line { width: 32px; }
  .status-steps { gap: 4px; }
  .status-label { font-size: 9px; }
}