/* ReturnSaver AI Premium Light Mode Stylesheet (Matching Landing Page) */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  --bg-color: #f8fafc;
  --panel-bg: #ffffff;
  --panel-border: rgba(99, 102, 241, 0.08);
  --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
  --accent-purple: #4f46e5;
  --accent-pink: #ec4899;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --glow-shadow: 0 20px 40px -15px rgba(99, 102, 241, 0.1);
  --font-display: 'Outfit', 'Inter', system-ui, -apple-system, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-body);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: 60px 20px;
  overflow-x: hidden;
  position: relative;
}

/* Landing page smooth background highlights */
body::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1000px;
  height: 600px;
  background: radial-gradient(circle, rgba(99, 102, 241, 0.04) 0%, transparent 70%);
  z-index: -1;
  pointer-events: none;
}

/* App container */
main {
  width: 100%;
  max-width: 960px;
  z-index: 1;
}

/* Typography */
h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 2.6rem;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 12px;
  text-align: center;
  line-height: 1.2;
}

h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: 16px;
}

p {
  color: var(--text-secondary);
  font-size: 1.05rem;
  line-height: 1.6;
}

.subtitle {
  text-align: center;
  margin-bottom: 48px;
  font-size: 1.15rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.brand-accent {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 800;
}

/* Premium White Card Panel */
.glass-panel {
  background: var(--panel-bg);
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: 24px;
  padding: 40px;
  box-shadow: var(--glow-shadow);
  margin-bottom: 32px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-panel:hover {
  transform: translateY(-2px);
  border-color: rgba(99, 102, 241, 0.2);
  box-shadow: 0 30px 60px -20px rgba(99, 102, 241, 0.15);
}

/* Forms */
form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

input[type="text"],
input[type="date"] {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 14px 16px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: all 0.25s ease;
  box-shadow: 0 1px 2px rgba(0,0,0,0.02);
}

input[type="text"]:focus,
input[type="date"]:focus {
  outline: none;
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.12);
}

/* Premium landing-style buttons */
.btn {
  background: var(--primary-gradient);
  color: #fff;
  border: none;
  border-radius: 99px; /* Rounded pill style from landing page */
  padding: 16px 32px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.35);
  text-decoration: none;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.5);
  opacity: 0.98;
}

.btn:active {
  transform: translateY(0);
}

.btn-secondary {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  color: var(--text-primary);
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.btn-secondary:hover {
  background: #f8fafc;
  border-color: #cbd5e1;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

/* Pills and badges */
.badge-pill {
  background: rgba(99, 102, 241, 0.08);
  color: var(--accent-purple);
  padding: 6px 14px;
  border-radius: 99px;
  font-size: 0.85rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 16px;
  border: 1px solid rgba(99, 102, 241, 0.15);
}

.store-badge {
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.2);
  padding: 8px 20px;
  border-radius: 99px;
  color: #059669;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
}

.store-badge::before {
  content: '';
  width: 8px;
  height: 8px;
  background-color: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 8px #10b981;
}

/* Beautiful modern light-theme table */
.table-container {
  overflow-x: auto;
  border-radius: 16px;
  border: 1px solid #e2e8f0;
  background: #ffffff;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

th {
  background: #f8fafc;
  color: var(--text-primary);
  font-weight: 700;
  padding: 16px 20px;
  border-bottom: 1px solid #e2e8f0;
  font-family: var(--font-display);
}

td {
  padding: 16px 20px;
  border-bottom: 1px solid #f1f5f9;
  color: var(--text-secondary);
  max-width: 180px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

tr:last-child td {
  border-bottom: none;
}

tr:hover td {
  background: #f8fafc;
  color: var(--text-primary);
}

/* Steps block (Matching "Nasıl Çalışır?" UI) */
.steps-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.step-card {
  background: #ffffff;
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-radius: 20px;
  padding: 30px 24px;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.03);
}

.step-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.15);
  box-shadow: var(--glow-shadow);
}

.step-num {
  width: 40px;
  height: 40px;
  background: rgba(99, 102, 241, 0.08);
  color: var(--accent-purple);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-weight: 800;
  font-family: var(--font-display);
  font-size: 1.1rem;
}

/* Brand Logo (Matching Header Logo) */
.header-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-bottom: 12px;
}

.header-brand h1 {
  margin: 0;
  line-height: 1;
  font-size: 2.1rem;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
}

.logo-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  filter: drop-shadow(0 8px 16px rgba(99, 102, 241, 0.15));
}

.logo-icon:hover {
  transform: scale(1.08) rotate(4deg);
}

/* Alert Boxes */
.alert-card {
  border-left: 4px solid var(--accent-purple);
  background: #f8fafc;
  border-radius: 12px;
  padding: 20px;
  margin: 20px 0;
  border: 1px solid rgba(226, 232, 240, 0.8);
  border-left-width: 4px;
}

/* Footer style */
footer {
  margin-top: 80px;
  text-align: center;
  font-size: 0.85rem;
  color: #94a3b8;
}

footer a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.2s;
}

footer a:hover {
  color: var(--accent-purple);
}

/* Responsive Grid & Utilities */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 768px) {
  .steps-container {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  body {
    padding: 30px 16px;
  }
  .glass-panel {
    padding: 24px 20px;
    border-radius: 20px;
  }
  h1 {
    font-size: 2rem;
  }
  .header-brand {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
  .header-brand h1 {
    font-size: 1.8rem;
  }
  .form-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .btn {
    width: 100%;
    padding: 14px 24px;
    font-size: 1rem;
  }
  .badge-pill {
    margin-bottom: 12px;
  }
  .store-badge {
    padding: 6px 16px;
    font-size: 0.9rem;
  }
}

/* Tab Buttons */
.tab-btn {
  background: #ffffff;
  border: 1px solid rgba(99, 102, 241, 0.15);
  color: var(--text-secondary);
  padding: 10px 24px;
  border-radius: 99px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.03);
  font-family: var(--font-display);
}
.tab-btn:hover {
  border-color: var(--accent-purple);
  color: var(--accent-purple);
  transform: translateY(-1px);
}
.tab-btn.active {
  background: var(--primary-gradient);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 10px 15px -3px rgba(99, 102, 241, 0.25);
}