/* 
   SIANTA Portal Stylesheet
   Modern, Minimalist, Single-Screen (No-Scroll) Dual Theme (Dark & Light)
*/

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

:root {
  /* ==========================================
     DEFAULT DARK THEME VARIABLES
     ========================================== */
  --bg-deep: #030812;        /* Deep Midnight Navy (Sidebar) */
  --bg-body: #060d1a;        /* Midnight Blue (Content Panel) */
  --bg-card: #0f1b30;        /* Sleek Slate-Navy for Cards */
  --border-color: rgba(255, 255, 255, 0.05);
  --sidebar-border: rgba(255, 255, 255, 0.04);
  
  --primary: #3b82f6;        /* Bright Royal Blue */
  --primary-hover: #2563eb;  /* Deeper Royal Blue */
  --primary-light: rgba(59, 130, 246, 0.15); /* Translucent Blue */
  --primary-rgb: 59, 130, 246;
  
  --secondary: #38bdf8;      /* Sky Blue Accent */
  --secondary-hover: #0ea5e9;
  
  --dark: #ffffff;           /* Clean White Header */
  --text-main: #cbd5e1;      /* Slate 300 */
  --text-muted: #94a3b8;     /* Slate 400 */
  --text-light: #64748b;     /* Slate 500 */
  
  /* Accent Colors for Stats/Cards (Luminous) */
  --accent-green: #34d399;
  --accent-green-light: rgba(52, 211, 153, 0.12);
  --accent-orange: #fbbf24;
  --accent-orange-light: rgba(251, 191, 36, 0.12);
  --accent-blue: #60a5fa;
  --accent-blue-light: rgba(96, 165, 250, 0.12);
  --accent-cyan: #22d3ee;
  --accent-cyan-light: rgba(34, 211, 238, 0.12);
  
  /* Custom Gradients and Visual Elements */
  --visual-mask: linear-gradient(180deg, rgba(6, 13, 26, 0.2) 0%, rgba(6, 13, 26, 0.7) 60%, rgba(6, 13, 26, 1) 98%);
  --hero-title-grad: linear-gradient(135deg, #ffffff 30%, #38bdf8 100%);
  
  /* Radii & Shadows */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 10px 25px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 20px 45px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 20px 40px rgba(59, 130, 246, 0.12); /* Luminous Glow */
}

/* ==========================================
   LIGHT THEME VARIABLES (OVERRIDES)
   ========================================== */
html[data-theme="light"] {
  --bg-deep: #ffffff;        /* Clean White (Sidebar) */
  --bg-body: #f8fafc;        /* Soft Gray-Blue (Content Panel) */
  --bg-card: #ffffff;        /* Pure White for Cards */
  --border-color: #e2e8f0;   /* Slate 200 */
  --sidebar-border: #e2e8f0;
  
  --primary: #1d4ed8;        /* Deep Royal Blue */
  --primary-hover: #1e40af;  /* Darker Blue */
  --primary-light: #eff6ff;  /* Soft Blue Backdrop */
  --primary-rgb: 29, 78, 216;
  
  --secondary: #3b82f6;      /* Slate Blue Accent */
  --secondary-hover: #2563eb;
  
  --dark: #0f172a;           /* Dark Slate Text */
  --text-main: #334155;      /* Slate 700 */
  --text-muted: #64748b;     /* Slate 500 */
  --text-light: #94a3b8;     /* Slate 400 */
  
  /* Lighter stats color backdrops */
  --accent-green: #10b981;
  --accent-green-light: #ecfdf5;
  --accent-orange: #f59e0b;
  --accent-orange-light: #fffbeb;
  --accent-blue: #3b82f6;
  --accent-blue-light: #eff6ff;
  --accent-cyan: #06b6d4;
  --accent-cyan-light: #ecfeff;
  
  /* Gradients */
  --visual-mask: linear-gradient(180deg, rgba(15, 23, 42, 0.15) 0%, rgba(248, 250, 252, 0.75) 60%, rgba(248, 250, 252, 1) 98%);
  --hero-title-grad: linear-gradient(135deg, #0f172a 30%, #1d4ed8 100%);
  
  /* Soft Shadows */
  --shadow-sm: 0 2px 10px rgba(11, 21, 40, 0.04);
  --shadow-md: 0 10px 25px rgba(11, 21, 40, 0.06);
  --shadow-lg: 0 20px 40px rgba(11, 21, 40, 0.08);
  --shadow-hover: 0 20px 40px rgba(29, 78, 216, 0.08);
}

:root {
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 0.85rem;
  --space-md: 1.25rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 30px;
  
  /* General Transitions */
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.25s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background-color: var(--bg-body);
  color: var(--text-main);
  line-height: 1.5;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  color: var(--dark);
  font-weight: 700;
  line-height: 1.2;
}

/* Global Transitions for Dark/Light Switcher */
.portal-container, 
.sidebar-panel, 
.content-panel, 
.stats-card, 
.feature-card,
.logo-img,
.theme-toggle-btn,
.brand-name,
.brand-sub,
.hero-title,
.hero-subtitle,
.hero-description,
.contact-item,
.copyright,
.feature-icon,
.feature-title,
.feature-description,
.stat-value,
.stat-desc {
  transition: background-color 0.35s ease, border-color 0.35s ease, color 0.35s ease, box-shadow 0.35s ease;
}

/* Single-Screen Grid Wrapper (Desktop only) */
.portal-container {
  display: grid;
  grid-template-columns: 35% 65%;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  background-color: var(--bg-body);
}

/* ==========================================
   LEFT SIDEBAR PANEL
   ========================================== */
.sidebar-panel {
  background-color: var(--bg-deep);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-right: 1px solid var(--sidebar-border);
  position: relative;
  z-index: 10;
  height: 100%;
  overflow-y: auto;
}

/* Sidebar Header (Branding + Toggle) */
.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  margin-bottom: var(--space-lg);
}

.branding {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  text-decoration: none;
}

.logo-img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.branding-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: 'Outfit', sans-serif;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1;
  letter-spacing: 0.5px;
}

.brand-sub {
  font-size: 0.6rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  margin-top: 2px;
}

/* Theme Switcher Button */
.theme-toggle-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  outline: none;
  box-shadow: var(--shadow-sm);
}

.theme-toggle-btn:hover {
  color: var(--primary);
  transform: rotate(15deg) scale(1.05);
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
}

.theme-toggle-btn svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.2;
}

/* Hero Content inside Sidebar */
.hero-content {
  margin: auto 0;
  padding: var(--space-sm) 0;
  opacity: 0;
  transform: translateY(15px);
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  background-color: var(--primary-light);
  color: var(--secondary);
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border: 1px solid rgba(59, 130, 246, 0.15);
}

html[data-theme="light"] .hero-tag {
  color: var(--primary);
}

.hero-title {
  font-size: clamp(2.5rem, 4.5vw, 3.75rem);
  font-weight: 800;
  background: var(--hero-title-grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -1px;
  line-height: 1.05;
  margin-bottom: 0.25rem;
}

.hero-subtitle {
  font-size: clamp(1.1rem, 1.8vw, 1.4rem);
  font-weight: 600;
  color: var(--dark);
  margin-bottom: var(--space-md);
  position: relative;
  display: inline-block;
  padding-bottom: 6px;
}

.hero-subtitle::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 50px;
  height: 3px;
  background: linear-gradient(to right, var(--primary), var(--secondary));
  border-radius: 2px;
}

.hero-description {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: var(--space-lg);
  line-height: 1.5;
}

.hero-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-hover));
  color: #fff;
  padding: 0.8rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.25);
  transition: var(--transition-smooth);
  border: 1px solid transparent;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(var(--primary-rgb), 0.45);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background-color: transparent;
  color: var(--primary);
  padding: 0.8rem 1.5rem;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: 1.5px solid var(--primary);
  transition: var(--transition-smooth);
}

html[data-theme="dark"] .btn-secondary {
  color: var(--secondary);
}

.btn-secondary:hover {
  background-color: var(--primary-light);
  transform: translateY(-2px);
}

/* Sidebar Footer & Contact Info */
.sidebar-footer {
  margin-top: var(--space-lg);
  border-top: 1px solid var(--border-color);
  padding-top: var(--space-md);
}

.contact-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: var(--space-sm);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 0.78rem;
  text-decoration: none;
  transition: var(--transition-fast);
}

.contact-item svg {
  color: var(--secondary);
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

html[data-theme="light"] .contact-item svg {
  color: var(--primary);
}

.contact-item:hover {
  color: var(--dark);
}

.copyright {
  font-size: 0.7rem;
  color: var(--text-light);
  text-align: left;
}

/* ==========================================
   RIGHT CONTENT PANEL
   ========================================== */
.content-panel {
  background-color: var(--bg-body);
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  position: relative;
}

/* Top Hero Visual Block */
.visual-block {
  height: 38%;
  position: relative;
  overflow: hidden;
}

.visual-block img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  transition: var(--transition-smooth);
  filter: brightness(0.85) contrast(1.05);
}

html[data-theme="light"] .visual-block img {
  filter: brightness(0.95);
}

.visual-block:hover img {
  transform: scale(1.02);
}

/* Angled gradient overlay blending visual banner */
.visual-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--visual-mask);
  z-index: 1;
}

/* Bottom Dashboard Card Grid */
.dashboard-block {
  height: 62%;
  padding: var(--space-md) var(--space-lg) var(--space-lg) var(--space-lg);
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  z-index: 5;
  margin-top: -30px; /* pull cards up slightly into visual block overlay */
  overflow-y: auto;  /* scrollable inside if height is constraint */
  
  /* Smooth scrollbars */
  scrollbar-width: thin;
  scrollbar-color: var(--primary-light) transparent;
}

.dashboard-block::-webkit-scrollbar {
  width: 5px;
}
.dashboard-block::-webkit-scrollbar-thumb {
  background-color: var(--primary-light);
  border-radius: 10px;
}

/* Stats Row Container */
.stats-container {
  margin-bottom: var(--space-md);
  opacity: 0;
  transform: translateY(15px);
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.1s forwards;
}

.stats-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-sm);
}

.stat-item {
  display: flex;
  align-items: center;
  gap: 12px;
  position: relative;
}

.stat-item:not(:last-child)::after {
  content: '';
  position: absolute;
  right: -5px;
  top: 15%;
  height: 70%;
  width: 1px;
  background: radial-gradient(circle, var(--border-color) 0%, rgba(255, 255, 255, 0) 100%);
}

.stat-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition-smooth);
}

.stat-item.siswa .stat-icon {
  background-color: var(--accent-green-light);
  color: var(--accent-green);
}
.stat-item.guru .stat-icon {
  background-color: var(--accent-blue-light);
  color: var(--accent-blue);
}
.stat-item.alumni .stat-icon {
  background-color: var(--accent-orange-light);
  color: var(--accent-orange);
}
.stat-item.layanan .stat-icon {
  background-color: var(--accent-cyan-light);
  color: var(--accent-cyan);
}

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-title {
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-value {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--dark);
  line-height: 1.1;
  margin-top: 1px;
}

.stat-desc {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* Features Block */
.features-container {
  opacity: 0;
  transform: translateY(15px);
  animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
}

.features-header {
  margin-bottom: var(--space-xs);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.features-tagline {
  color: var(--secondary);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  display: block;
}

html[data-theme="light"] .features-tagline {
  color: var(--primary);
}

.features-title {
  font-size: 1rem;
  font-weight: 800;
  color: var(--dark);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.feature-card {
  background-color: var(--bg-card);
  border-radius: var(--radius-md);
  padding: var(--space-sm) var(--space-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition-smooth);
  display: flex;
  gap: 12px;
  align-items: flex-start;
  height: 100%;
}

.feature-icon-wrapper {
  display: flex;
}

.feature-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--primary-light);
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: var(--transition-smooth);
}

html[data-theme="light"] .feature-icon {
  color: var(--primary);
}

.feature-icon svg {
  width: 18px;
  height: 18px;
}

.feature-info {
  display: flex;
  flex-direction: column;
}

.feature-title {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 2px;
  transition: var(--transition-fast);
}

.feature-description {
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Feature hover effects */
.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
  border-color: rgba(var(--primary-rgb), 0.25);
  background-color: rgba(var(--primary-rgb), 0.03);
}

html[data-theme="dark"] .feature-card:hover {
  background-color: rgba(17, 32, 61, 0.8);
  border-color: rgba(56, 189, 248, 0.2);
}

.feature-card:hover .feature-icon {
  background-color: var(--primary);
  color: #fff;
  box-shadow: 0 0 10px rgba(var(--primary-rgb), 0.4);
}

.feature-card:hover .feature-title {
  color: var(--primary);
}

html[data-theme="dark"] .feature-card:hover .feature-title {
  color: var(--secondary);
}

/* ==========================================
   ANIMATIONS
   ========================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================
   RESPONSIVE DESIGN BREAKPOINTS
   ========================================== */

/* Tablet Viewports */
@media (max-width: 1024px) {
  .portal-container {
    grid-template-columns: 1fr;
    height: auto;
    overflow: visible;
  }
  
  .sidebar-panel {
    border-right: none;
    border-bottom: 1px solid var(--border-color);
    padding: var(--space-lg);
    height: auto;
    overflow-y: visible;
  }
  
  .hero-content {
    margin: var(--space-lg) 0;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .hero-subtitle::after {
    left: 50%;
    transform: translateX(-50%);
  }
  
  .hero-actions {
    flex-direction: row;
    justify-content: center;
    width: 100%;
  }
  
  .contact-list {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-md);
  }
  
  .content-panel {
    height: auto;
    overflow: visible;
  }
  
  .visual-block {
    height: 300px;
  }
  
  .dashboard-block {
    height: auto;
    overflow-y: visible;
    margin-top: -40px;
    padding: var(--space-md);
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .stat-item:nth-child(2)::after {
    display: none;
  }
  
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Mobile Viewports */
@media (max-width: 640px) {
  .sidebar-panel {
    padding: var(--space-md);
  }
  
  .sidebar-header {
    margin-bottom: var(--space-md);
  }
  
  .branding {
    justify-content: flex-start;
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-actions .btn-primary,
  .hero-actions .btn-secondary {
    width: 100%;
  }
  
  .contact-list {
    flex-direction: column;
    align-items: center;
    gap: 6px;
  }
  
  .visual-block {
    height: 200px;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
  }
  
  .stat-item {
    background-color: var(--bg-card);
    padding: 8px var(--space-sm);
    border-radius: var(--radius-sm);
  }
  
  .stat-item::after {
    display: none !important;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
  }
  
  .feature-card {
    padding: var(--space-sm);
  }
}