/* EMRS Upbox CSS Stylesheet - Modern Institutional Design */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
  --color-primary: #0B3D62;      /* Deep Navy Blue */
  --color-primary-light: #125585;
  --color-accent: #FF9933;       /* Saffron */
  --color-accent-hover: #E68019;
  --color-bg-base: #F1F5F9;      /* Off-white */
  --color-bg-card: #FFFFFF;
  --color-text: #1E293B;         /* Slate 800 */
  --color-text-muted: #64748B;   /* Slate 500 */
  --color-success: #2E7D32;
  --color-error: #C62828;
  --color-border: #E2E8F0;
  
  --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-family);
  background-color: var(--color-bg-base);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.25;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--color-accent);
}

/* Layout */
.navbar {
  background-color: var(--color-primary);
  color: #FFFFFF;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo-img {
  height: 44px;
  object-fit: contain;
}

.nav-title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #FFFFFF 0%, #FFE5CC 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.btn {
  font-family: var(--font-family);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-normal);
  border: none;
  font-size: 1rem;
}

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

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 153, 51, 0.3);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.1);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.2);
  color: #FFFFFF;
}

.btn-danger {
  background-color: var(--color-error);
  color: #FFFFFF;
}

.btn-danger:hover {
  background-color: #A81E1E;
  transform: translateY(-1px);
}

.btn-outline-danger {
  background-color: transparent;
  color: var(--color-error);
  border: 1px solid var(--color-error);
}

.btn-outline-danger:hover {
  background-color: var(--color-error);
  color: #FFFFFF;
}

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

/* Container */
.container {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 1.5rem;
  flex: 1;
  width: 100%;
}

.card {
  background: var(--color-bg-card);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  margin-bottom: 2rem;
}

.card-header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: rgba(11, 61, 98, 0.02);
}

.card-body {
  padding: 2rem;
}

/* Login Page Specific styling */
.login-wrapper {
  max-width: 480px;
  width: 100%;
  margin: auto;
  padding: 2rem 1rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
  font-size: 0.95rem;
}

.form-input {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: 1rem;
  color: var(--color-text);
  outline: none;
  transition: var(--transition-fast);
}

.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(11, 61, 98, 0.1);
}

/* Grid & Cards for Public View */
.files-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.file-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.file-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(11, 61, 98, 0.2);
}

.file-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: var(--color-primary);
}

.file-card.image-card::before { background-color: #8E24AA; }
.file-card.pdf-card::before { background-color: #E53935; }
.file-card.doc-card::before { background-color: #1E88E5; }
.file-card.xls-card::before { background-color: #43A047; }
.file-card.ppt-card::before { background-color: #FB8C00; }

.file-info {
  margin-bottom: 1.5rem;
}

.file-header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 1rem;
}

.file-icon {
  font-size: 2.2rem;
  flex-shrink: 0;
}

.file-name {
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--color-primary);
  word-break: break-word;
  line-height: 1.3;
}

.file-meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.meta-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.file-actions {
  display: flex;
  gap: 8px;
}

.file-actions .btn {
  flex: 1;
  font-size: 0.9rem;
  padding: 0.6rem 1rem;
}

/* Upload Area */
.upload-dropzone {
  border: 3px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  text-align: center;
  background-color: rgba(241, 245, 249, 0.5);
  cursor: pointer;
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.upload-dropzone:hover, .upload-dropzone.dragover {
  border-color: var(--color-accent);
  background-color: rgba(255, 153, 51, 0.02);
}

.upload-icon {
  font-size: 3rem;
  color: var(--color-text-muted);
  transition: var(--transition-normal);
}

.upload-dropzone:hover .upload-icon {
  color: var(--color-accent);
  transform: translateY(-5px);
}

/* User Management Tabs */
.tabs-header {
  display: flex;
  gap: 1rem;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: 1.5rem;
}

.tab-btn {
  font-family: var(--font-family);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: none;
  border: none;
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  position: relative;
  transition: var(--transition-fast);
}

.tab-btn:hover {
  color: var(--color-primary);
}

.tab-btn.active {
  color: var(--color-primary);
}

.tab-btn.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--color-accent);
  border-radius: 3px;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* User & File Tables for Admin */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: #FFFFFF;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.data-table th, .data-table td {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.data-table th {
  background-color: rgba(11, 61, 98, 0.03);
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.95rem;
}

.data-table tr:hover {
  background-color: rgba(11, 61, 98, 0.01);
}

/* Badge components */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.6rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.badge-admin {
  background-color: rgba(11, 61, 98, 0.1);
  color: var(--color-primary);
}

.badge-teacher {
  background-color: rgba(255, 153, 51, 0.1);
  color: var(--color-accent);
}

.badge-active {
  background-color: rgba(46, 125, 50, 0.1);
  color: var(--color-success);
}

.badge-inactive {
  background-color: rgba(198, 40, 40, 0.1);
  color: var(--color-error);
}

/* Modal dialog */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.modal-content {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 500px;
  width: 90%;
  overflow: hidden;
  animation: modalSlideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes modalSlideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.modal-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--color-border);
  background-color: rgba(11, 61, 98, 0.02);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  background-color: rgba(241, 245, 249, 0.5);
}

/* Toast Notifications */
#toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 400px;
  width: calc(100% - 48px);
}

.toast {
  background: #FFFFFF;
  color: var(--color-text);
  padding: 1rem 1.25rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border-left: 6px solid var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  animation: toastSlideIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  font-weight: 500;
}

@keyframes toastSlideIn {
  from {
    transform: translateX(100%) scale(0.9);
    opacity: 0;
  }
  to {
    transform: translateX(0) scale(1);
    opacity: 1;
  }
}

.toast.toast-success { border-left-color: var(--color-success); }
.toast.toast-error { border-left-color: var(--color-error); }
.toast.toast-warning { border-left-color: var(--color-accent); }

.toast-close {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--color-text-muted);
}

.toast-close:hover {
  color: var(--color-text);
}

/* Footer styling */
footer {
  background-color: var(--color-primary);
  color: rgba(255, 255, 255, 0.7);
  padding: 1.5rem;
  text-align: center;
  font-size: 0.9rem;
  border-top: 4px solid var(--color-accent);
  margin-top: auto;
}

/* Responsive adjustments */
@media(max-width: 768px) {
  .navbar {
    flex-direction: column;
    gap: 1rem;
    padding: 1rem;
  }
  .nav-links {
    width: 100%;
    justify-content: space-around;
  }
  .container {
    margin: 1rem auto;
  }
  .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
  }
}