/* Split Screen Authentication Styles with Dark/Light Theme Support */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@20..48,100..700,0..1,-50..200&display=block');

:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --bg-left: #ffffff;
  --bg-header: rgba(255, 255, 255, 0.96);
  --border-header: rgba(226, 232, 240, 0.8);
  --text-dark: #0f172a;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --input-bg: #ffffff;
  --scrollbar-track: #f1f5f9;
  --scrollbar-thumb: #cbd5e1;
  --primary: #0f172a;
  --primary-hover: #1e293b;
  --accent: #10b981;
}

[data-theme="dark"] {
  --bg-left: #090d16;
  --bg-header: rgba(9, 13, 22, 0.94);
  --border-header: rgba(30, 41, 59, 0.8);
  --text-dark: #f8fafc;
  --text-muted: #94a3b8;
  --border-color: #1e293b;
  --input-bg: #0f172a;
  --scrollbar-track: #0f172a;
  --scrollbar-thumb: #334155;
  --primary: #10b981;
  --primary-hover: #059669;
  --accent: #34d399;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-left);
  color: var(--text-dark);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color 0.2s ease, color 0.2s ease;
}

/* Fixed Top Header Across Auth Pages */
.top-auth-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: var(--bg-header);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-header);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 32px;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-dark);
  cursor: default;
  user-select: none;
}

.header-brand img {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
}

.header-brand span {
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.4px;
  color: var(--text-dark);
}

.header-nav-links {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-text {
  font-size: 13.5px;
  color: var(--text-muted);
  font-weight: 500;
}

.theme-toggle-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  background: var(--input-bg);
  color: var(--text-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
}

.theme-toggle-btn:hover {
  background: var(--border-color);
  transform: translateY(-1px);
}

.theme-toggle-btn .material-symbols-outlined {
  font-size: 20px;
}

.header-nav-btn {
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 700;
  border-radius: 7px;
  text-decoration: none;
  background: var(--primary);
  color: #ffffff;
  transition: all 0.15s ease;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.header-nav-btn:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

/* Split Layout Container */
.auth-split-container {
  display: flex;
  width: 100%;
  min-height: 100vh;
  position: relative;
}

/* Desktop Layout (Width > 992px): Fixed Right Image Panel, Scrollable Left Form Panel */
@media (min-width: 993px) {
  html, body {
    height: 100%;
    overflow: hidden;
  }

  .auth-split-container {
    height: 100vh;
    overflow: hidden;
  }

  /* Left Form Area - Scrollable Independently */
  .auth-form-panel {
    width: 40%;
    height: 100vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 88px 36px 40px 36px;
    background-color: var(--bg-left);
    scrollbar-width: thin;
    scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
    transition: background-color 0.2s ease;
  }

  .auth-form-panel::-webkit-scrollbar {
    width: 6px;
  }
  .auth-form-panel::-webkit-scrollbar-track {
    background: var(--scrollbar-track);
  }
  .auth-form-panel::-webkit-scrollbar-thumb {
    background-color: var(--scrollbar-thumb);
    border-radius: 3px;
  }

  /* Right Branded Panel Area - Fixed & Completely Non-Scrollable Cover Image */
  .auth-brand-panel {
    position: fixed;
    top: 0;
    right: 0;
    width: 60%;
    height: 100vh;
    overflow: hidden;
    z-index: 10;
    background-color: #0b1120;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
  }
}

/* Form Content Container */
.auth-form-content {
  width: 100%;
  max-width: 420px;
  margin: auto;
  padding: 16px 0;
}

.auth-title {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.auth-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 28px;
  line-height: 1.5;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dark);
}

.form-input-wrapper {
  position: relative;
}

.form-input {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-sans);
  font-size: 14px;
  border: 1.5px solid var(--border-color);
  border-radius: 8px;
  color: var(--text-dark);
  background: var(--input-bg);
  transition: all 0.15s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3.5px rgba(16, 185, 129, 0.2);
}

.form-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
}

.forgot-link {
  color: var(--text-muted);
  text-decoration: none;
  font-weight: 600;
}

.forgot-link:hover {
  color: var(--accent);
}

.btn-auth-primary {
  width: 100%;
  padding: 13px;
  background-color: var(--primary);
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 14.5px;
  font-weight: 700;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s ease;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.15);
}

.btn-auth-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
}

.auth-switch-prompt {
  margin-top: 24px;
  font-size: 13.5px;
  color: var(--text-muted);
  text-align: center;
}

.auth-switch-prompt a {
  color: var(--accent);
  font-weight: 700;
  text-decoration: none;
}

.auth-footer-text {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 24px;
}

/* Flash alerts in theme */
.flash-alert-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 13px;
  margin-bottom: 20px;
}

[data-theme="dark"] .flash-alert-error {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.3);
  color: #fca5a5;
}

.flash-alert-success {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
  padding: 10px 14px;
  border-radius: 6px;
  font-size: 13px;
  margin-bottom: 20px;
}

[data-theme="dark"] .flash-alert-success {
  background: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.3);
  color: #6ee7b7;
}

/* Right Panel Image styling */
.auth-hero-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: 0;
  filter: brightness(0.88);
  z-index: 1;
}

.auth-quote-overlay {
  position: relative;
  z-index: 3;
  width: 100%;
  padding: 48px 40px;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0) 0%, rgba(0, 0, 0, 0.75) 50%, rgba(0, 0, 0, 0.92) 100%);
  text-align: center;
}

.auth-quote {
  font-size: 17px;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 8px;
  letter-spacing: -0.2px;
  text-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.auth-quote-author {
  font-size: 13px;
  color: #94a3b8;
  font-weight: 600;
}

/* Mobile & Tablet Responsiveness (< 992px) */
@media (max-width: 992px) {
  .top-auth-header {
    padding: 0 16px;
  }
  .top-auth-header .nav-text {
    display: none;
  }
  .auth-split-container {
    flex-direction: column;
    min-height: 100vh;
  }
  .auth-form-panel {
    max-width: 100%;
    width: 100%;
    min-height: 100vh;
    padding: 84px 20px 32px 20px;
    height: auto;
    overflow-y: visible;
  }
  .auth-brand-panel {
    display: none !important;
  }
}