/* ========== Modern Design System ========== */

:root {
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  --success-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --dark-gradient: linear-gradient(135deg, #434343 0%, #000000 100%);
  
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ========== Global Styles ========== */

body {
  transition: background-color var(--transition-normal), color var(--transition-normal);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  min-height: 100vh;
}

body:not(.dark-mode) {
  background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

body.dark-mode {
  background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
}

/* ========== Navbar Styling ========== */

.navbar {
  background: rgba(255, 255, 255, 0.95) !important;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-md);
  border-bottom: 1px solid rgba(0, 0, 0, 0.1);
  padding: 1rem 0;
  transition: all var(--transition-normal);
}

body.dark-mode .navbar {
  background: rgba(33, 37, 41, 0.95) !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: transform var(--transition-fast);
}

.navbar-brand:hover {
  transform: scale(1.05);
}

.navbar .btn {
  white-space: nowrap;
  border-radius: var(--radius-md);
  font-weight: 500;
  padding: 0.5rem 1.25rem;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
}

.navbar .btn-sm {
  padding: 0.375rem 1rem;
  font-size: 0.875rem;
}

.navbar .btn-outline-info {
  color: #0dcaf0;
  border-color: #0dcaf0;
}

.navbar .btn-outline-info:hover {
  background: linear-gradient(135deg, #0dcaf0 0%, #0aa2c0 100%);
  border-color: #0dcaf0;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(13, 202, 240, 0.4);
}

.navbar .btn-outline-warning {
  color: #ffc107;
  border-color: #ffc107;
}

.navbar .btn-outline-warning:hover {
  background: linear-gradient(135deg, #ffc107 0%, #ff9800 100%);
  border-color: #ffc107;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(255, 193, 7, 0.4);
}

.navbar .btn-outline-danger {
  color: #dc3545;
  border-color: #dc3545;
}

.navbar .btn-outline-danger:hover {
  background: linear-gradient(135deg, #dc3545 0%, #c82333 100%);
  border-color: #dc3545;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(220, 53, 69, 0.4);
}

.navbar .btn-success {
  background: linear-gradient(135deg, #198754 0%, #157347 100%);
  border: none;
  color: white;
}

.navbar .btn-success:hover {
  background: linear-gradient(135deg, #157347 0%, #0d5132 100%);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(25, 135, 84, 0.4);
}

/* ========== Cards ========== */

.card {
  border-radius: var(--radius-lg);
  border: none;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  overflow: hidden;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

body.dark-mode .card {
  background: rgba(33, 37, 41, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.card-header {
  background: var(--primary-gradient);
  color: white;
  font-weight: 600;
  font-size: 1.25rem;
  padding: 1.25rem;
  border: none;
}

.card-footer {
  background: transparent;
  border: none;
  padding: 1.5rem;
}

.card-body {
  padding: 1.5rem;
}

body.dark-mode .card-body,
body.dark-mode .card-footer {
  color: #f8f9fa;
}

/* ========== Modal Styling ========== */

#loginModal .modal-content {
  max-width: 400px;
  margin: auto;
  border-radius: var(--radius-xl);
  border: none;
  box-shadow: var(--shadow-xl);
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(20px);
  overflow: hidden;
}

body.dark-mode #loginModal .modal-content {
  background: rgba(33, 37, 41, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 768px) {
  #loginModal .modal-dialog {
    max-width: 420px;
  }
}

.modal-header {
  background: var(--primary-gradient);
  color: white;
  border: none;
  padding: 1.5rem;
}

.modal-header .modal-title {
  font-weight: 600;
  font-size: 1.5rem;
}

.modal-header .btn-close {
  filter: brightness(0) invert(1);
}

.modal-body {
  padding: 2rem;
}

.modal-footer {
  border: none;
  padding: 0 2rem 2rem;
}

/* ========== Form Elements ========== */

.form-control,
.form-select {
  border-radius: var(--radius-md);
  border: 2px solid #e0e0e0;
  padding: 0.75rem 1rem;
  transition: all var(--transition-fast);
  background: white;
}

.form-control:focus,
.form-select:focus {
  border-color: #667eea;
  box-shadow: 0 0 0 0.25rem rgba(102, 126, 234, 0.15);
  transform: translateY(-1px);
}

body.dark-mode .form-control,
body.dark-mode .form-select {
  background-color: #343a40;
  color: #f8f9fa;
  border-color: #495057;
}

body.dark-mode .form-control:focus,
body.dark-mode .form-select:focus {
  background-color: #495057;
  border-color: #667eea;
  color: #f8f9fa;
}

body.dark-mode .form-control::placeholder {
  color: #adb5bd;
}

.form-floating label {
  color: #6c757d;
}

body.dark-mode .form-floating label {
  color: #adb5bd;
}

/* ========== Buttons ========== */

.btn {
  border-radius: var(--radius-md);
  font-weight: 500;
  padding: 0.625rem 1.5rem;
  transition: all var(--transition-fast);
  border: none;
}

.btn-primary {
  background: var(--primary-gradient);
  color: white;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #5568d3 0%, #6a3f8f 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

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

.btn-primary:disabled {
  background: #6c757d;
  cursor: not-allowed;
  transform: none;
}

/* ========== Toast Notifications ========== */

.toast {
  border-radius: var(--radius-lg);
  border: none;
  box-shadow: var(--shadow-lg);
  backdrop-filter: blur(10px);
  min-width: 300px;
}

.toast.bg-success {
  background: linear-gradient(135deg, #198754 0%, #157347 100%) !important;
}

.toast.bg-danger {
  background: linear-gradient(135deg, #dc3545 0%, #c82333 100%) !important;
}

.toast-body {
  padding: 1rem 1.25rem;
  font-weight: 500;
}

/* ========== Theme Toggle ========== */

.form-check-input {
  width: 3rem;
  height: 1.5rem;
  border-radius: 2rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.form-check-input:checked {
  background-color: #667eea;
  border-color: #667eea;
}

.form-check-input:focus {
  box-shadow: 0 0 0 0.25rem rgba(102, 126, 234, 0.25);
}

/* ========== Animations ========== */

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.card,
.navbar,
.modal-content {
  animation: fadeInUp var(--transition-slow) ease-out;
}

/* ========== Modal Transitions ========== */

.modal.fade .modal-dialog {
  transition: transform var(--transition-normal);
  transform: translateY(-50px);
}

.modal.fade.show .modal-dialog {
  transform: translateY(0);
}

.modal-backdrop.fade {
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.modal-backdrop.show {
  opacity: 0.7;
}

/* ========== Spinner ========== */

.spinner-border-sm {
  animation: spin 0.75s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* ========== Scrollbar ========== */

::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(135deg, #5568d3 0%, #6a3f8f 100%);
}

body.dark-mode ::-webkit-scrollbar-thumb {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* ========== Responsive ========== */

@media (max-width: 768px) {
  .navbar .btn {
    font-size: 0.875rem;
    padding: 0.5rem 1rem;
  }
  
  .card-header {
    font-size: 1.1rem;
  }
  
  .modal-body {
    padding: 1.5rem;
  }
}

/* ==== LOGIN MODAL FORM-FLOATING FIX ==== */

#loginModal .form-floating > .form-control {
  height: 3.5rem;               /* bootstrap default magasság */
  padding: 1rem .75rem;         /* bootstrap default padding */
}

/* label ne másszon rá a mezőre, ikon + szöveg szépen egymás mellé */
#loginModal .form-floating > label {
  display: flex;
  align-items: center;
  gap: .4rem;
  padding: .75rem .75rem;
  pointer-events: none;         /* kattintás továbbra is a mezőre menjen */
}

/* placeholder ne zavarjon be form-floatingnél */
#loginModal .form-floating > .form-control::placeholder {
  color: transparent;
}