/* ==========================================================================
   Yashika Prasanth — Student Profile Portal
   Theme: Modern Slate & Electric Rose-Pink Aesthetics
   ========================================================================== */

:root {
  /* Color Palette - Light Theme */
  --bg-page: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-subtle: #fbfbfe;
  --bg-surface-elevated: #ffffff;
  
  --text-main: #0f172a;
  --text-body: #334155;
  --text-muted: #64748b;
  --text-subtle: #94a3b8;
  
  --border-light: #e2e8f0;
  --border-subtle: #edf2f7;
  --border-focus: #f43f5e;
  
  /* Pink Accents (User Requested) */
  --pink-50: #fff1f2;
  --pink-100: #ffe4e6;
  --pink-200: #fecdd3;
  --pink-300: #fda4af;
  --pink-400: #fb7185;
  --pink-500: #f43f5e;
  --pink-600: #e11d48;
  --pink-700: #be123c;
  --pink-800: #9f1239;
  --pink-900: #881337;
  
  --pink-gradient: linear-gradient(135deg, #f43f5e 0%, #db2777 100%);
  --pink-gradient-subtle: linear-gradient(135deg, #fff1f2 0%, #fdf2f8 100%);
  --pink-glow: rgba(244, 63, 94, 0.16);
  --pink-glow-strong: rgba(225, 29, 72, 0.28);
  
  /* Hero & Dark Accent Gradients */
  --hero-gradient: linear-gradient(135deg, #090d16 0%, #1e1b4b 40%, #701a75 75%, #be185d 100%);
  --ktu-card-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 55%, #831843 100%);
  
  /* Accent Colors */
  --indigo-500: #6366f1;
  --indigo-600: #4f46e5;
  --purple-500: #a855f7;
  --emerald-500: #10b981;
  --emerald-bg: #ecfdf5;
  --emerald-border: #a7f3d0;
  --emerald-text: #047857;

  /* Typography & Layout */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 9999px;
  
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 6px 20px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 14px 35px rgba(15, 23, 42, 0.08);
  --shadow-pink: 0 8px 24px rgba(225, 29, 72, 0.18);
  
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Dark Theme
   ========================================================================== */
[data-theme="dark"] {
  --bg-page: #07090e;
  --bg-surface: #101623;
  --bg-surface-subtle: #151d2f;
  --bg-surface-elevated: #1a2337;
  
  --text-main: #f8fafc;
  --text-body: #cbd5e1;
  --text-muted: #94a3b8;
  --text-subtle: #64748b;
  
  --border-light: #1e293b;
  --border-subtle: #182234;
  --border-focus: #fb7185;
  
  --pink-50: #1f121a;
  --pink-100: #2d1323;
  --pink-200: #4a1532;
  --pink-300: #711947;
  --pink-glow: rgba(251, 113, 133, 0.18);
  --pink-glow-strong: rgba(251, 113, 133, 0.32);
  
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 14px 35px rgba(0, 0, 0, 0.5);
  
  --emerald-bg: rgba(16, 185, 129, 0.12);
  --emerald-border: rgba(16, 185, 129, 0.25);
  --emerald-text: #34d399;
}

/* ==========================================================================
   Base Styles & Reset
   ========================================================================== */
html {
  overflow-x: hidden;
  max-width: 100vw;
  width: 100%;
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-page);
  color: var(--text-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  max-width: 100vw;
  width: 100%;
  background-image: 
    radial-gradient(circle at 10% 10%, rgba(244, 63, 94, 0.04) 0%, transparent 40%),
    radial-gradient(circle at 90% 20%, rgba(99, 102, 241, 0.04) 0%, transparent 45%);
}

a {
  color: var(--pink-600);
  text-decoration: none;
}

/* ==========================================================================
   Top Header Bar
   ========================================================================== */
.top-bar {
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.top-bar-inner {
  max-width: 1300px;
  margin: 0 auto;
  padding: 10px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
}

.college-logo-badge {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--pink-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 800;
  font-size: 17px;
  box-shadow: 0 4px 12px rgba(225, 29, 72, 0.25);
  flex-shrink: 0;
}

.brand-text h1 {
  font-size: 14.5px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: -0.2px;
  line-height: 1.25;
}

.brand-text p {
  font-size: 11.5px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.brand-text p .dot {
  width: 4px;
  height: 4px;
  background: var(--pink-500);
  border-radius: 50%;
  display: inline-block;
}

.top-bar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.live-time-chip {
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-light);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 7px;
}

.live-pulse {
  width: 7px;
  height: 7px;
  background: var(--pink-500);
  border-radius: 50%;
  animation: pulse-ring 2s infinite;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(244, 63, 94, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(244, 63, 94, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(244, 63, 94, 0); }
}

.btn-icon {
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-light);
  color: var(--text-body);
  padding: 6px 12px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: var(--transition);
}

.btn-icon:hover {
  background: var(--pink-50);
  border-color: var(--pink-200);
  color: var(--pink-600);
}

.btn-pink {
  background: var(--pink-gradient);
  color: white;
  border: none;
  padding: 7px 16px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(225, 29, 72, 0.28);
  transition: var(--transition);
}

.btn-pink:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(225, 29, 72, 0.38);
}

/* ==========================================================================
   Hero Profile Section
   ========================================================================== */
.hero-container {
  max-width: 1300px;
  margin: 20px auto 0;
  padding: 0 20px;
}

.hero-banner {
  background: var(--hero-gradient);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  padding: 24px 28px 70px;
  color: white;
  position: relative;
  overflow: hidden;
}

.hero-banner::after {
  content: "";
  position: absolute;
  top: -40%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(244, 63, 94, 0.3) 0%, transparent 70%);
  pointer-events: none;
}

.hero-banner-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex-wrap: wrap;
  font-size: 12.5px;
  letter-spacing: 0.5px;
  opacity: 0.9;
}

.hero-institution-pill {
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  padding: 5px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
  max-width: 100%;
}

/* Elevated Profile Card overlapping banner */
.hero-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-lg);
  margin-top: -50px;
  position: relative;
  z-index: 10;
  padding: 24px 28px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 28px;
  align-items: center;
}

/* Left: Avatar / QR combo */
.profile-media {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.profile-avatar-wrap {
  width: 105px;
  height: 105px;
  border-radius: 20px;
  background: var(--pink-gradient-subtle);
  border: 3px solid var(--pink-200);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  box-shadow: 0 8px 20px rgba(225, 29, 72, 0.12);
}

.profile-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 20%;
  border-radius: 17px;
  display: block;
}

.avatar-initials {
  font-size: 34px;
  font-weight: 800;
  background: var(--pink-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.qr-mini-badge {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: 6px;
  padding: 3px;
  position: absolute;
  bottom: -6px;
  right: -6px;
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.active-pill {
  background: var(--emerald-bg);
  color: var(--emerald-text);
  border: 1px solid var(--emerald-border);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.active-dot {
  width: 6px;
  height: 6px;
  background: var(--emerald-500);
  border-radius: 50%;
}

/* Center: Identity details */
.profile-info {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.profile-name-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.profile-name {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.5px;
  line-height: 1.15;
}

.verified-badge {
  background: linear-gradient(135deg, rgba(225, 29, 72, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
  color: var(--pink-600);
  border: 1px solid var(--pink-200);
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  font-size: 11.5px;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.profile-degree {
  font-size: 14.5px;
  color: var(--text-muted);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}

.profile-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.meta-chip {
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-light);
  border-radius: 8px;
  padding: 4px 10px;
  font-size: 12px;
  color: var(--text-body);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.meta-chip strong {
  color: var(--text-main);
}

.meta-chip.pink-highlight {
  background: var(--pink-50);
  border-color: var(--pink-200);
  color: var(--pink-700);
}

/* Right: KPI Summary Cards */
.hero-kpis {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  border-left: 1px solid var(--border-light);
  padding-left: 24px;
}

.kpi-card {
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  text-align: center;
  min-width: 120px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.kpi-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--border-light);
}

.kpi-card.highlight::before {
  background: var(--pink-gradient);
}

.kpi-card:hover {
  transform: translateY(-2px);
  border-color: var(--pink-300);
  box-shadow: var(--shadow-sm);
}

.kpi-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 4px;
  display: block;
}

.kpi-val {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.1;
  display: block;
}

.kpi-card.highlight .kpi-val {
  background: var(--pink-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.kpi-sub {
  font-size: 10.5px;
  color: var(--text-muted);
  margin-top: 3px;
  display: block;
}

/* ==========================================================================
   Dashboard Main Layout (2-Column Grid)
   ========================================================================== */
.main-dashboard {
  max-width: 1300px;
  margin: 24px auto 60px;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 430px 1fr;
  gap: 24px;
  align-items: start;
}

/* Card Structure */
.dash-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  padding: 22px 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.dash-card:hover {
  box-shadow: var(--shadow-md);
  border-color: rgba(244, 63, 94, 0.25);
}

.dash-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  gap: 12px;
}

.dash-card-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 700;
  color: var(--text-main);
}

.dash-card-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: var(--pink-50);
  color: var(--pink-600);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  border: 1px solid var(--pink-200);
}

.card-action-pill {
  font-size: 11.5px;
  color: var(--text-muted);
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-light);
  padding: 3px 9px;
  border-radius: var(--radius-pill);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ==========================================================================
   LEFT COLUMN: Profile & Preferences Form
   ========================================================================== */
.form-section-title {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-weight: 700;
  color: var(--pink-600);
  margin: 16px 0 10px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 12px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 12px;
}

.form-field.full {
  grid-column: 1 / -1;
}

.form-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.form-label .req {
  color: var(--pink-500);
}

.input-box, .select-box, .textarea-box {
  width: 100%;
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 13px;
  color: var(--text-main);
  font-family: inherit;
  transition: var(--transition);
}

.input-box:focus, .select-box:focus, .textarea-box:focus {
  outline: none;
  border-color: var(--pink-500);
  box-shadow: 0 0 0 3px var(--pink-glow);
  background: var(--bg-surface);
}

.textarea-box {
  resize: vertical;
  min-height: 65px;
}

/* Gender Pill Radios with Pink Active State */
.pill-radio-group {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
}

.pill-radio-option {
  position: relative;
}

.pill-radio-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.pill-radio-label {
  display: block;
  text-align: center;
  padding: 7px 10px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-light);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-body);
  cursor: pointer;
  transition: var(--transition);
}

.pill-radio-option input:checked + .pill-radio-label {
  background: var(--pink-gradient);
  color: white;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(225, 29, 72, 0.25);
}

/* Interactive Chips (Companies & Skills) */
.chip-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.interactive-chip {
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-light);
  color: var(--text-body);
  padding: 5px 11px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
  user-select: none;
}

.interactive-chip:hover {
  border-color: var(--pink-300);
  background: var(--pink-50);
  color: var(--pink-700);
}

.interactive-chip.active {
  background: var(--pink-50);
  border-color: var(--pink-300);
  color: var(--pink-800);
  font-weight: 600;
  box-shadow: 0 2px 8px var(--pink-glow);
}

.interactive-chip .chip-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border-light);
}

.interactive-chip.active .chip-dot {
  background: var(--pink-500);
}

/* Form Action Buttons */
.form-actions {
  display: flex;
  gap: 10px;
  margin-top: 18px;
}

.btn-primary-pink {
  flex: 1;
  background: var(--pink-gradient);
  color: white;
  border: none;
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-size: 13.5px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(225, 29, 72, 0.25);
  transition: var(--transition);
}

.btn-primary-pink:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(225, 29, 72, 0.35);
}

.btn-secondary {
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.btn-secondary:hover {
  background: var(--border-light);
  color: var(--text-main);
}

.toast-feedback {
  margin-top: 10px;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 12.5px;
  font-weight: 600;
  display: none;
}

.toast-feedback.success {
  display: block;
  background: var(--emerald-bg);
  border: 1px solid var(--emerald-border);
  color: var(--emerald-text);
}

.toast-feedback.error {
  display: block;
  background: var(--pink-50);
  border: 1px solid var(--pink-200);
  color: var(--pink-700);
}

/* ==========================================================================
   RIGHT COLUMN: Academic Intelligence & Results
   ========================================================================== */

/* KTU Official Authentication Banner */
.ktu-official-card {
  background: var(--ktu-card-gradient);
  color: white;
  border-radius: var(--radius-lg);
  padding: 18px 24px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(244, 63, 94, 0.25);
}

.ktu-official-card::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(244, 63, 94, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.ktu-official-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.ktu-seal-badge {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #fbcfe8;
  flex-shrink: 0;
}

.ktu-official-text h2 {
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  color: white;
  margin-bottom: 2px;
}

.ktu-official-text p {
  font-size: 12px;
  color: #cbd5e1;
}

.ktu-official-badges {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.ktu-tag {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  font-size: 11.5px;
  color: white;
  font-weight: 600;
}

.ktu-tag.cgpa-pill {
  background: var(--pink-gradient);
  border: none;
  font-weight: 800;
  padding: 5px 13px;
  box-shadow: 0 4px 12px rgba(225, 29, 72, 0.35);
}

/* SGPA Progression Chart Card */
.chart-card-inner {
  padding-top: 8px;
}

.chart-header-stats {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
  font-size: 12px;
  color: var(--text-muted);
}

.chart-legend {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
}

.legend-swatch {
  width: 10px;
  height: 10px;
  border-radius: 3px;
  background: var(--pink-gradient);
}

.chart-svg-container {
  width: 100%;
  height: 175px;
  position: relative;
  background: var(--bg-surface-subtle);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  padding: 12px 16px 8px;
}

.chart-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.chart-line {
  fill: none;
  stroke: url(#pinkLineGrad);
  stroke-width: 3.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  filter: drop-shadow(0 4px 8px rgba(225, 29, 72, 0.35));
}

.chart-area {
  fill: url(#pinkAreaGrad);
}

.chart-point {
  fill: var(--bg-surface);
  stroke: var(--pink-500);
  stroke-width: 3;
  r: 5.5;
  cursor: pointer;
  transition: r 0.2s ease, stroke-width 0.2s ease;
}

.chart-point:hover {
  r: 8;
  stroke-width: 4;
}

.chart-point.peak {
  fill: var(--pink-600);
  stroke: white;
  stroke-width: 2.5;
  r: 6.5;
}

.chart-label {
  font-size: 11px;
  font-weight: 700;
  fill: var(--text-main);
  text-anchor: middle;
}

.chart-sem-label {
  font-size: 10.5px;
  font-weight: 600;
  fill: var(--text-muted);
  text-anchor: middle;
}

/* Formula Ribbon Card */
.formula-ribbon {
  background: var(--pink-50);
  border: 1px solid var(--pink-200);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.formula-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.formula-icon {
  font-size: 18px;
  color: var(--pink-600);
}

.formula-text {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--pink-900);
}

.formula-math {
  font-family: monospace;
  background: var(--bg-surface);
  border: 1px solid var(--pink-200);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  color: var(--pink-700);
}

.formula-result {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--text-main);
}

.formula-result strong {
  color: var(--pink-600);
  font-size: 14px;
}

/* Data Tables */
.table-responsive {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  text-align: left;
  min-width: 600px;
}

.data-table thead th {
  background: var(--bg-surface-subtle);
  color: var(--text-muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  font-weight: 700;
  padding: 11px 16px;
  border-bottom: 1px solid var(--border-light);
}

.data-table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-body);
}

.data-table tbody tr:last-child td {
  border-bottom: none;
}

.data-table tbody tr:hover {
  background: rgba(244, 63, 94, 0.02);
}

.sem-pill {
  font-weight: 700;
  color: var(--pink-600);
  background: var(--pink-50);
  padding: 3px 8px;
  border-radius: 6px;
  border: 1px solid var(--pink-200);
  display: inline-block;
  font-size: 11.5px;
}

.status-badge-pass {
  background: var(--emerald-bg);
  color: var(--emerald-text);
  border: 1px solid var(--emerald-border);
  font-weight: 700;
  font-size: 11px;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* ==========================================================================
   Internal Marks Section Controls & Filters
   ========================================================================== */
.table-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.search-input-wrap {
  position: relative;
  flex: 1;
  max-width: 280px;
}

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 13px;
  pointer-events: none;
}

.search-field {
  width: 100%;
  padding: 7px 10px 7px 30px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-light);
  background: var(--bg-surface-subtle);
  font-size: 12.5px;
  color: var(--text-main);
  transition: var(--transition);
}

.search-field:focus {
  outline: none;
  border-color: var(--pink-400);
  box-shadow: 0 0 0 3px var(--pink-glow);
  background: var(--bg-surface);
}

.filter-pills {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.sem-filter-btn {
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}

.sem-filter-btn:hover {
  background: var(--pink-50);
  border-color: var(--pink-200);
  color: var(--pink-600);
}

.sem-filter-btn.active {
  background: var(--pink-gradient);
  border-color: transparent;
  color: white;
  box-shadow: 0 2px 10px rgba(225, 29, 72, 0.28);
}

.attendance-meter {
  display: flex;
  align-items: center;
  gap: 8px;
}

.meter-bar {
  width: 50px;
  height: 6px;
  background: var(--border-light);
  border-radius: 99px;
  overflow: hidden;
}

.meter-fill {
  height: 100%;
  background: var(--pink-gradient);
  border-radius: 99px;
}

.mark-val {
  font-weight: 700;
  color: var(--text-main);
}

.high-mark {
  color: var(--pink-600);
}

.empty-state {
  text-align: center;
  padding: 32px 16px;
  color: var(--text-muted);
  font-size: 13px;
  display: none;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.app-footer {
  max-width: 1300px;
  margin: 0 auto 30px;
  padding: 20px;
  text-align: center;
  border-top: 1px solid var(--border-light);
  color: var(--text-muted);
  font-size: 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-hash {
  font-family: monospace;
  background: var(--bg-surface-subtle);
  border: 1px solid var(--border-light);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
}

/* ==========================================================================
   Responsive Adaptations
   ========================================================================== */
@media (max-width: 1080px) {
  .main-dashboard {
    grid-template-columns: 1fr;
  }
  
  .hero-card {
    grid-template-columns: 1fr;
    text-align: center;
  }
  
  .profile-media {
    margin: 0 auto;
  }
  
  .profile-name-row {
    justify-content: center;
  }
  
  .profile-degree {
    justify-content: center;
  }
  
  .profile-tags-row {
    justify-content: center;
  }
  
  .hero-kpis {
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--border-light);
    padding-top: 18px;
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .top-bar-inner {
    flex-direction: column;
    align-items: flex-start;
    padding: 10px 14px;
    gap: 10px;
  }

  .brand-text h1 {
    font-size: 13.5px;
  }

  .brand-text p {
    font-size: 11px;
    flex-wrap: wrap;
  }
  
  .top-bar-actions {
    width: 100%;
    justify-content: space-between;
    margin-top: 2px;
  }

  .live-time-chip {
    font-size: 11px;
    padding: 5px 10px;
  }

  .btn-icon {
    font-size: 12px;
    padding: 5px 10px;
  }
  
  .hero-container {
    padding: 0 12px;
    margin-top: 12px;
  }

  .hero-banner {
    padding: 16px 14px 50px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  }

  .hero-banner-meta {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }

  .hero-institution-pill {
    border-radius: var(--radius-sm);
    padding: 6px 10px;
    font-size: 11px;
    text-align: center;
    justify-content: center;
    line-height: 1.35;
    white-space: normal;
  }

  .hero-card {
    margin-top: -35px;
    padding: 18px 12px;
    border-radius: var(--radius-md);
    gap: 14px;
  }

  .profile-avatar-wrap {
    width: 90px;
    height: 90px;
  }

  .profile-name {
    font-size: 20px;
  }

  .profile-degree {
    font-size: 12px;
  }

  .profile-tags-row {
    gap: 5px;
  }

  .meta-chip {
    font-size: 11px;
    padding: 3px 7px;
  }

  .hero-kpis {
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    border-left: none;
    padding-left: 0;
    border-top: 1px solid var(--border-light);
    padding-top: 12px;
  }

  .kpi-card {
    min-width: unset;
    padding: 8px 4px;
    border-radius: var(--radius-sm);
  }

  .kpi-label {
    font-size: 9.5px;
    margin-bottom: 2px;
  }

  .kpi-val {
    font-size: 17px;
  }

  .kpi-sub {
    font-size: 9px;
  }

  .main-dashboard {
    padding: 0 12px;
    margin: 16px auto 36px;
    gap: 16px;
  }

  .dash-card {
    padding: 16px 12px;
    margin-bottom: 16px;
    border-radius: var(--radius-md);
  }

  .dash-card-title {
    font-size: 15px;
  }

  .form-grid-2 {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .pill-radio-group {
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
  }

  .pill-radio-label {
    font-size: 11.5px;
    padding: 6px 4px;
  }

  .ktu-official-card {
    padding: 14px;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    border-radius: var(--radius-md);
  }

  .ktu-official-left {
    gap: 10px;
  }

  .ktu-seal-badge {
    width: 36px;
    height: 36px;
    font-size: 17px;
    border-radius: 10px;
  }

  .ktu-official-text h2 {
    font-size: 12.5px;
  }

  .ktu-official-text p {
    font-size: 11px;
  }

  .ktu-official-badges {
    width: 100%;
    justify-content: flex-start;
    gap: 6px;
  }

  .ktu-tag {
    font-size: 11px;
    padding: 3px 8px;
  }

  .chart-svg-container {
    height: 140px;
    padding: 8px 4px 4px;
    overflow: hidden;
  }

  .formula-ribbon {
    padding: 10px 12px;
    gap: 8px;
    flex-direction: column;
    align-items: flex-start;
    border-radius: var(--radius-sm);
  }

  .formula-math {
    font-size: 11px;
    word-break: break-all;
    padding: 3px 6px;
  }

  .formula-result {
    font-size: 12px;
  }

  .table-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .search-input-wrap {
    max-width: 100%;
    width: 100%;
  }

  .filter-pills {
    display: flex;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 6px;
    gap: 5px;
  }

  .sem-filter-btn {
    flex-shrink: 0;
    padding: 4px 10px;
    font-size: 11.5px;
  }

  .table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    display: block;
    border-radius: var(--radius-sm);
  }

  .data-table {
    min-width: 520px;
    font-size: 11.5px;
  }

  .data-table thead th, .data-table tbody td {
    padding: 8px 10px;
  }

  .app-footer {
    padding: 16px 12px;
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .hero-card {
    padding: 14px 8px;
  }

  .profile-name {
    font-size: 18px;
  }

  .profile-degree {
    font-size: 11px;
  }

  .profile-avatar-wrap {
    width: 82px;
    height: 82px;
  }

  .hero-kpis {
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
  }

  .kpi-card {
    padding: 6px 2px;
  }

  .kpi-val {
    font-size: 14.5px;
  }

  .kpi-label {
    font-size: 8px;
  }

  .kpi-sub {
    font-size: 8px;
  }

  .brand-text h1 {
    font-size: 12px;
  }

  .brand-text p {
    font-size: 9.5px;
  }
}

/* ==========================================================================
   Print Stylesheet
   ========================================================================== */
@media print {
  body {
    background: white !important;
    color: black !important;
  }
  
  .top-bar, .form-actions, .table-toolbar, .btn-icon, .btn-pink, .filter-pills, .search-input-wrap {
    display: none !important;
  }
  
  .hero-banner {
    background: #222 !important;
    color: white !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
  
  .dash-card, .hero-card, .ktu-official-card {
    box-shadow: none !important;
    border: 1px solid #ccc !important;
    break-inside: avoid;
  }
  
  .main-dashboard {
    grid-template-columns: 1fr !important;
  }
}