/**
 * OpenThink SAS — Login Page Styles
 *
 * Standalone stylesheet for the modern login page.
 * Does NOT depend on layout_modern.php or any other CSS.
 */

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

/* ===== RESET ===== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* ===== VARIABLES ===== */
:root {
  --login-primary: #0d6eaa;
  --login-primary-dark: #094d78;
  --login-primary-light: #e8f4fc;
  --login-secondary: #00a651;
  --login-accent: #f7b731;
  --login-bg: #f0f4f8;
  --login-surface: #ffffff;
  --login-text: #1e293b;
  --login-text-secondary: #64748b;
  --login-text-muted: #94a3b8;
  --login-border: #e2e8f0;
  --login-shadow: 0 20px 60px -15px rgba(13, 110, 170, 0.15),
                  0 0 0 1px rgba(0, 0, 0, 0.03);
  --login-radius: 1rem;
  --login-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

[data-theme="dark"] {
  --login-bg: #0f172a;
  --login-surface: #1e293b;
  --login-text: #f1f5f9;
  --login-text-secondary: #94a3b8;
  --login-text-muted: #64748b;
  --login-border: #334155;
  --login-shadow: 0 20px 60px -15px rgba(0, 0, 0, 0.5),
                  0 0 0 1px rgba(255, 255, 255, 0.05);
}

/* ===== PAGE ===== */
html, body {
  height: 100%;
  width: 100%;
}

body.login-page {
  font-family: var(--login-font);
  background: var(--login-bg);
  color: var(--login-text);
  display: flex;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===== SPLIT LAYOUT ===== */
.login-container {
  display: flex;
  width: 100%;
  min-height: 100vh;
}

/* --- Left Panel (Branding) --- */
.login-branding {
  flex: 1;
  background: linear-gradient(135deg, #0d6eaa 0%, #094d78 50%, #00a651 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 3rem;
  position: relative;
  overflow: hidden;
}

.login-branding::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(0, 166, 81, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(247, 183, 49, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
}

.login-branding::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.login-branding-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 420px;
}

.login-branding-logo {
  height: 80px;
  margin-bottom: 2rem;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.15));
  animation: login-float 6s ease-in-out infinite;
}

@keyframes login-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.login-branding-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.login-branding-subtitle {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2.5rem;
  line-height: 1.6;
}

.login-branding-quote {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--login-radius);
  padding: 1.5rem;
  text-align: left;
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.875rem;
  line-height: 1.7;
}

.login-branding-quote p {
  margin: 0 0 0.75rem;
  font-style: italic;
}

.login-branding-quote cite {
  display: block;
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
  font-style: normal;
  text-align: right;
}

/* ISO Badge */
.login-branding-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 2rem;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 0.5rem;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.login-branding-badge img {
  height: 40px;
  filter: brightness(0) invert(1);
  opacity: 0.8;
}

.login-branding-badge-text {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.4;
}

/* --- Right Panel (Form) --- */
.login-form-panel {
  width: 520px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 3rem;
  background: var(--login-surface);
  box-shadow: var(--login-shadow);
  position: relative;
  z-index: 1;
}

.login-form-wrapper {
  width: 100%;
  max-width: 380px;
}

.login-form-header {
  margin-bottom: 2rem;
}

.login-form-header-logo {
  height: 48px;
  margin-bottom: 1.5rem;
}

.login-form-header h2 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--login-text);
  margin-bottom: 0.375rem;
}

.login-form-header p {
  font-size: 0.875rem;
  color: var(--login-text-secondary);
}

/* ===== FORM FIELDS ===== */
.login-field {
  margin-bottom: 1.25rem;
}

.login-field label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--login-text);
  margin-bottom: 0.375rem;
}

.login-field-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.login-field-icon {
  position: absolute;
  left: 0.875rem;
  color: var(--login-text-muted);
  font-size: 1.125rem;
  pointer-events: none;
  z-index: 1;
}

.login-field input[type="text"],
.login-field input[type="password"],
.login-field input[type="number"] {
  width: 100%;
  padding: 0.6875rem 0.875rem 0.6875rem 2.75rem;
  border: 1.5px solid var(--login-border);
  border-radius: 0.625rem;
  font-size: 0.875rem;
  font-family: var(--login-font);
  color: var(--login-text);
  background: var(--login-surface);
  transition: all 0.2s ease;
  outline: none;
}

.login-field input:focus {
  border-color: var(--login-primary);
  box-shadow: 0 0 0 3px var(--login-primary-light);
}

[data-theme="dark"] .login-field input:focus {
  box-shadow: 0 0 0 3px rgba(13, 110, 170, 0.3);
}

.login-field input::placeholder {
  color: var(--login-text-muted);
}

.login-field input[readonly] {
  background: var(--login-bg);
  cursor: default;
  opacity: 0.7;
}

/* Error */
.login-field-error {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #dc2626;
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  font-size: 0.8125rem;
  margin-bottom: 0.5rem;
}

[data-theme="dark"] .login-field-error {
  background: rgba(220, 38, 38, 0.15);
  border-color: rgba(220, 38, 38, 0.3);
  color: #fca5a5;
}

/* ===== BUTTONS ===== */
.login-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

.login-btn-primary {
  flex: 1;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, var(--login-primary), var(--login-primary-dark));
  color: #fff;
  border: none;
  border-radius: 0.625rem;
  font-size: 0.875rem;
  font-weight: 600;
  font-family: var(--login-font);
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 2px 8px -2px rgba(13, 110, 170, 0.4);
}

.login-btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px -4px rgba(13, 110, 170, 0.5);
}

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

.login-btn-secondary {
  padding: 0.75rem 1.25rem;
  background: transparent;
  color: var(--login-text-secondary);
  border: 1.5px solid var(--login-border);
  border-radius: 0.625rem;
  font-size: 0.8125rem;
  font-weight: 500;
  font-family: var(--login-font);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.login-btn-secondary:hover {
  background: var(--login-bg);
  color: var(--login-text);
  border-color: var(--login-text-muted);
}

/* ===== FOOTER ===== */
.login-footer {
  margin-top: 2.5rem;
  text-align: center;
  font-size: 0.75rem;
  color: var(--login-text-muted);
  line-height: 1.6;
}

.login-footer a {
  color: var(--login-primary);
  text-decoration: none;
}

.login-footer a:hover {
  text-decoration: underline;
}

/* ===== THEME TOGGLE ===== */
.login-theme-toggle {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  border: none;
  background: transparent;
  color: var(--login-text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 0.5rem;
  transition: all 0.2s ease;
  line-height: 1;
}

.login-theme-toggle:hover {
  background: var(--login-bg);
  color: var(--login-text);
}

.login-theme-toggle .icon-sun {
  display: none;
}

[data-theme="dark"] .login-theme-toggle .icon-moon {
  display: none;
}

[data-theme="dark"] .login-theme-toggle .icon-sun {
  display: inline;
}

/* ===== TAHUN AJARAN TAG ===== */
.login-tahun-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  background: var(--login-primary-light);
  color: var(--login-primary);
  border-radius: 1rem;
  font-size: 0.75rem;
  font-weight: 600;
}

[data-theme="dark"] .login-tahun-tag {
  background: rgba(13, 110, 170, 0.2);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .login-branding {
    display: none;
  }

  .login-form-panel {
    width: 100%;
    padding: 2rem;
  }

  .login-form-wrapper {
    max-width: 400px;
  }

  .login-form-header-logo {
    display: block;
  }
}

@media (max-width: 480px) {
  .login-form-panel {
    padding: 1.5rem;
  }

  .login-actions {
    flex-direction: column-reverse;
  }

  .login-btn-secondary {
    width: 100%;
    text-align: center;
  }
}

/* ===== ANIMATIONS ===== */
@keyframes login-fade-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.login-form-wrapper {
  animation: login-fade-in 0.5s ease forwards;
}

.login-branding-content {
  animation: login-fade-in 0.6s ease 0.2s both;
}