/* International Academic Portal - Design System Stylesheet */
/* Implements Elevated Academic Modernism for UIN Maulana Malik Ibrahim Malang */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;1,400;1,600&display=swap');

:root {
  /* Design System Palette */
  --color-primary: #005936;
  --color-primary-dark: #003f25;
  --color-primary-hover: #00452a;
  --color-primary-container: #005936;
  --color-on-primary: #ffffff;
  --color-on-primary-container: #84cea1;
  --color-primary-fixed: #a7f3c4;
  --color-primary-fixed-dim: #8cd6a9;
  --color-on-primary-fixed: #002111;

  --color-secondary: #019D9A;
  --color-secondary-dark: #006a68;
  --color-secondary-container: #7ef2ee;
  --color-on-secondary: #ffffff;
  --color-on-secondary-container: #006e6c;
  --color-secondary-fixed: #81f5f1;

  --color-tertiary: #CD9937;
  --color-tertiary-dark: #4a3200;
  --color-tertiary-container: #674700;
  --color-on-tertiary: #ffffff;
  --color-on-tertiary-container: #ecb550;
  --color-tertiary-fixed: #ffdeab;
  --color-tertiary-fixed-dim: #f6bd58;

  /* Neutrals & Surfaces */
  --color-ground-bg: #F8FAF9;
  --color-surface-white: #FFFFFF;
  --color-surface-dim: #d2d9f4;
  --color-surface-container: #eaedff;
  --color-surface-container-low: #f2f3ff;
  --color-surface-container-high: #e2e7ff;
  --color-surface-container-highest: #dae2fd;
  --color-text-primary: #0F172A;
  --color-text-secondary: #475569;
  --color-border-subtle: #E2E8F0;
  --color-border-strong: #CBD5E1;
  --color-outline: #707a71;

  /* Feedback States */
  --color-approved-bg: rgba(16, 185, 129, 0.12);
  --color-approved-text: #047857;
  --color-approved-border: rgba(16, 185, 129, 0.25);
  --color-approved-solid: #10B981;

  --color-review-bg: rgba(245, 158, 11, 0.12);
  --color-review-text: #B45309;
  --color-review-border: rgba(245, 158, 11, 0.25);
  --color-review-solid: #F59E0B;

  --color-submitted-bg: rgba(59, 130, 246, 0.12);
  --color-submitted-text: #1D4ED8;
  --color-submitted-border: rgba(59, 130, 246, 0.25);
  --color-submitted-solid: #3B82F6;

  --color-rejected-bg: rgba(239, 68, 68, 0.12);
  --color-rejected-text: #B91C1C;
  --color-rejected-border: rgba(239, 68, 68, 0.25);
  --color-rejected-solid: #EF4444;

  /* Typography */
  --font-family-base: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  /* Elevation Shadows */
  --shadow-level-1: 0 1px 3px 0 rgba(15, 23, 42, 0.04), 0 1px 2px -1px rgba(15, 23, 42, 0.02);
  --shadow-level-2: 0 10px 15px -3px rgba(0, 89, 54, 0.05), 0 4px 6px -4px rgba(15, 23, 42, 0.04);
  --shadow-level-3: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 8px 10px -6px rgba(15, 23, 42, 0.05);

  /* Border Radii */
  --radius-sm: 0.25rem;
  --radius-default: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  /* Spacing */
  --spacing-gutter: 1.5rem;
  --spacing-margin: 2rem;
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2.5rem;
}

/* Global Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family-base);
  font-size: 15px;
  line-height: 24px;
  color: var(--color-text-primary);
  background-color: var(--color-ground-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography Token Utilities */
.text-display-lg {
  font-family: var(--font-family-base);
  font-size: 48px;
  font-weight: 700;
  line-height: 56px;
  letter-spacing: -0.02em;
}

@media (max-width: 768px) {
  .text-display-lg {
    font-size: 32px;
    line-height: 40px;
    letter-spacing: -0.01em;
  }
}

.text-headline-lg {
  font-family: var(--font-family-base);
  font-size: 32px;
  font-weight: 600;
  line-height: 40px;
  letter-spacing: -0.015em;
}

@media (max-width: 768px) {
  .text-headline-lg {
    font-size: 26px;
    line-height: 34px;
    letter-spacing: -0.01em;
  }
}

.text-headline-md {
  font-family: var(--font-family-base);
  font-size: 24px;
  font-weight: 600;
  line-height: 32px;
  letter-spacing: -0.01em;
}

.text-headline-sm {
  font-family: var(--font-family-base);
  font-size: 20px;
  font-weight: 600;
  line-height: 28px;
}

.text-title-md {
  font-family: var(--font-family-base);
  font-size: 16px;
  font-weight: 600;
  line-height: 24px;
}

.text-body-lg {
  font-family: var(--font-family-base);
  font-size: 18px;
  font-weight: 400;
  line-height: 28px;
}

.text-body-md {
  font-family: var(--font-family-base);
  font-size: 15px;
  font-weight: 400;
  line-height: 24px;
}

.text-body-sm {
  font-family: var(--font-family-base);
  font-size: 13px;
  font-weight: 400;
  line-height: 20px;
}

.text-label-lg {
  font-family: var(--font-family-base);
  font-size: 14px;
  font-weight: 600;
  line-height: 20px;
  letter-spacing: 0.01em;
}

.text-label-md {
  font-family: var(--font-family-base);
  font-size: 12px;
  font-weight: 600;
  line-height: 16px;
  letter-spacing: 0.02em;
}

.text-label-sm {
  font-family: var(--font-family-base);
  font-size: 11px;
  font-weight: 500;
  line-height: 14px;
  letter-spacing: 0.025em;
}

/* Color Utilities */
.text-primary-color { color: var(--color-primary); }
.text-secondary-color { color: var(--color-secondary); }
.text-tertiary-color { color: var(--color-tertiary); }
.text-muted { color: var(--color-text-secondary); }
.bg-ground { background-color: var(--color-ground-bg); }
.bg-primary-theme { background-color: var(--color-primary); }
.bg-secondary-theme { background-color: var(--color-secondary); }
.bg-tertiary-theme { background-color: var(--color-tertiary); }

/* Elevation Levels */
.elevation-0 {
  background-color: var(--color-ground-bg);
  box-shadow: none;
}

.elevation-1, .academic-card {
  background-color: var(--color-surface-white);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-level-1);
}

.elevation-2, .academic-card-hover {
  background-color: var(--color-surface-white);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-level-2);
}

.elevation-3, .academic-modal {
  background-color: var(--color-surface-white);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-level-3);
}

/* Modal Backdrop */
.modal-backdrop-academic {
  background-color: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

/* Buttons System */
.btn-academic-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--color-primary);
  color: #FFFFFF;
  font-family: var(--font-family-base);
  font-size: 14px;
  font-weight: 600;
  line-height: 20px;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-default);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-academic-primary:hover {
  background-color: var(--color-primary-hover);
  color: #FFFFFF;
}

.btn-academic-primary:focus {
  outline: none;
  box-shadow: 0 0 0 2px #FFFFFF, 0 0 0 4px var(--color-secondary);
}

.btn-academic-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: #FFFFFF;
  color: var(--color-primary);
  font-family: var(--font-family-base);
  font-size: 14px;
  font-weight: 600;
  line-height: 20px;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-default);
  border: 1px solid var(--color-primary);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-academic-secondary:hover {
  background-color: rgba(0, 89, 54, 0.04);
  color: var(--color-primary);
}

.btn-academic-secondary:focus {
  outline: none;
  box-shadow: 0 0 0 2px #FFFFFF, 0 0 0 4px var(--color-secondary);
}

.btn-academic-tertiary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: var(--color-tertiary);
  color: #FFFFFF;
  font-family: var(--font-family-base);
  font-size: 14px;
  font-weight: 600;
  line-height: 20px;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-default);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 1px 2px rgba(205, 153, 55, 0.25);
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-academic-tertiary:hover {
  background-color: #b5832a;
  color: #FFFFFF;
}

.btn-academic-tertiary:focus {
  outline: none;
  box-shadow: 0 0 0 2px #FFFFFF, 0 0 0 4px var(--color-tertiary);
}

.btn-academic-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: transparent;
  color: var(--color-text-secondary);
  font-family: var(--font-family-base);
  font-size: 14px;
  font-weight: 600;
  line-height: 20px;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-default);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-academic-ghost:hover {
  color: var(--color-primary);
  background-color: rgba(0, 89, 54, 0.05);
}

/* Status Chips & Badges */
.badge-status {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-family-base);
  font-size: 12px;
  font-weight: 600;
  line-height: 16px;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.badge-approved {
  background-color: var(--color-approved-bg);
  color: var(--color-approved-text);
  border: 1px solid var(--color-approved-border);
}

.badge-in-review {
  background-color: var(--color-review-bg);
  color: var(--color-review-text);
  border: 1px solid var(--color-review-border);
}

.badge-submitted {
  background-color: var(--color-submitted-bg);
  color: var(--color-submitted-text);
  border: 1px solid var(--color-submitted-border);
}

.badge-needs-revision {
  background-color: var(--color-rejected-bg);
  color: var(--color-rejected-text);
  border: 1px solid var(--color-rejected-border);
}

.badge-merit {
  background-color: rgba(205, 153, 55, 0.14);
  color: #946816;
  border: 1px solid rgba(205, 153, 55, 0.3);
}

/* Form Fields & Inputs */
.form-academic-group {
  margin-bottom: 1.25rem;
}

.form-academic-label {
  display: block;
  font-family: var(--font-family-base);
  font-size: 14px;
  font-weight: 600;
  line-height: 20px;
  letter-spacing: 0.01em;
  color: var(--color-text-primary);
  margin-bottom: 0.375rem;
}

.form-academic-control {
  width: 100%;
  font-family: var(--font-family-base);
  font-size: 15px;
  line-height: 24px;
  color: var(--color-text-primary);
  background-color: #FFFFFF;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-default);
  padding: 0.625rem 0.875rem;
  transition: all 0.2s ease-in-out;
}

.form-academic-control:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(1, 157, 154, 0.15);
}

.form-academic-control::placeholder {
  color: #94A3B8;
}

.form-academic-helper {
  margin-top: 4px;
  font-size: 12px;
  font-weight: 500;
  line-height: 16px;
  color: var(--color-text-secondary);
}

/* Card Header Separation */
.card-header-academic {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1rem;
  border-bottom: 1px solid #F1F5F9;
  margin-bottom: 1.25rem;
}

/* Document Upload Dropzone */
.dropzone-academic {
  border: 2px dashed var(--color-border-strong);
  background-color: var(--color-ground-bg);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all 0.2s ease-in-out;
  cursor: pointer;
}

.dropzone-academic:hover,
.dropzone-academic.is-dragover {
  border-color: var(--color-secondary);
  background-color: #F0FDFA;
}

/* Step-by-Step Steppers */
.stepper-nav {
  display: flex;
  align-items: center;
  width: 100%;
  position: relative;
}

.stepper-step {
  display: flex;
  align-items: center;
  flex: 1;
  position: relative;
}

.stepper-step:last-child {
  flex: 0 0 auto;
}

.stepper-node {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  flex-shrink: 0;
  z-index: 2;
  transition: all 0.2s ease;
}

.stepper-step.completed .stepper-node {
  background-color: var(--color-primary);
  color: #FFFFFF;
}

.stepper-step.active .stepper-node {
  background-color: #FFFFFF;
  color: var(--color-secondary);
  border: 2px solid var(--color-secondary);
  box-shadow: 0 0 0 4px rgba(1, 157, 154, 0.2);
}

.stepper-step.future .stepper-node {
  background-color: #FFFFFF;
  color: #94A3B8;
  border: 1px solid var(--color-border-subtle);
}

.stepper-line {
  flex-grow: 1;
  height: 2px;
  background-color: var(--color-border-subtle);
  margin: 0 0.5rem;
}

.stepper-step.completed .stepper-line {
  background-color: var(--color-primary);
}

/* Left-hand Rail Navigation */
.app-sidebar {
  width: 260px;
  transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  background-color: #FFFFFF;
  border-right: 1px solid var(--color-border-subtle);
}

.app-sidebar.collapsed {
  width: 72px;
}

@media (max-width: 1023px) {
  .app-sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: -280px;
    z-index: 50;
    box-shadow: var(--shadow-level-3);
  }
  .app-sidebar.open {
    left: 0;
  }
}

/* Islamic Heritage Geometric Motif (Delicate accent) */
.pattern-academic-accent {
  background-color: #005936;
  background-image: radial-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 0);
  background-size: 16px 16px;
}

/* Sticky Action Bar for Mobile */
.sticky-bottom-action-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: #FFFFFF;
  border-top: 1px solid var(--color-border-subtle);
  padding: 0.75rem 1rem;
  box-shadow: 0 -4px 6px -1px rgba(15, 23, 42, 0.05);
  z-index: 40;
}