/**
 * Система тем для LTC Control
 * Поддержка светлой и темной темы
 */

:root {
  /* === LIGHT THEME === */
  --bg-color: #f7f9fc;
  --text-color: #1e2a3a;
  --text-secondary: #64748b;
  --sidebar-bg: #1e2a3a;
  --sidebar-text: white;
  --sidebar-active-bg: #2c3e50;
  --accent: #1e88e5;
  --accent-hover: #1565c0;
  --accent-light: #e3f2fd;
  --card-bg: white;
  --card-shadow: rgba(0, 0, 0, 0.05);
  --card-hover-shadow: rgba(0, 0, 0, 0.1);
  --border-color: #e1e5e9;
  --border-light: #f1f5f9;
  --input-bg: white;
  --input-border: #d1d5db;
  --input-focus: #1e88e5;
  --chat-bg: white;
  --modal-bg: rgba(0, 0, 0, 0.3);
  --overlay-bg: rgba(0, 0, 0, 0.5);
  
  /* Status colors */
  --success-color: #38a169;
  --success-bg: #f0fff4;
  --warning-color: #d69e2e;
  --warning-bg: #fffaf0;
  --error-color: #e53e3e;
  --error-bg: #fed7d7;
  --info-color: #3182ce;
  --info-bg: #ebf8ff;
  
  /* Progress colors */
  --progress-bg: #e5e7eb;
  --progress-active: #1e88e5;
  --progress-success: #38a169;
  --progress-warning: #d69e2e;
  --progress-error: #e53e3e;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* === DARK THEME === */
[data-theme="dark"] {
  --bg-color: linear-gradient(135deg, #1e003e, #b71c8d);
  --text-color: #f7f9fc;
  --text-secondary: #a0aec0;
  --sidebar-bg: #1c1c1c;
  --sidebar-text: #fff;
  --sidebar-active-bg: #333;
  --accent: #b084f7;
  --accent-hover: #a64ac9;
  --accent-light: rgba(176, 132, 247, 0.1);
  --card-bg: rgba(30, 30, 30, 0.9);
  --card-shadow: rgba(255, 255, 255, 0.05);
  --card-hover-shadow: rgba(255, 255, 255, 0.1);
  --border-color: #555;
  --border-light: #444;
  --input-bg: #2a2a2a;
  --input-border: #555;
  --input-focus: #b084f7;
  --chat-bg: #2a0035;
  --modal-bg: rgba(255, 255, 255, 0.15);
  --overlay-bg: rgba(0, 0, 0, 0.7);
  
  /* Status colors (dark theme) */
  --success-color: #68d391;
  --success-bg: rgba(104, 211, 145, 0.1);
  --warning-color: #f6e05e;
  --warning-bg: rgba(246, 224, 94, 0.1);
  --error-color: #fc8181;
  --error-bg: rgba(252, 129, 129, 0.1);
  --info-color: #63b3ed;
  --info-bg: rgba(99, 179, 237, 0.1);
  
  /* Progress colors (dark theme) */
  --progress-bg: #444;
  --progress-active: #b084f7;
  --progress-success: #68d391;
  --progress-warning: #f6e05e;
  --progress-error: #fc8181;
  
  /* Shadows (dark theme) */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4);
}

/* === BASE STYLES === */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  background: var(--bg-color);
  color: var(--text-color);
  transition: background var(--transition-slow), color var(--transition-slow);
  font-family: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

body {
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 0.5em;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1em;
  color: var(--text-secondary);
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  gap: 0.5rem;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--card-bg);
  color: var(--text-color);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--border-light);
  border-color: var(--accent);
}

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

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

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

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.75rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

/* === FORMS === */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-color);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--input-border);
  border-radius: 0.5rem;
  background: var(--input-bg);
  color: var(--text-color);
  font-size: 0.875rem;
  transition: all var(--transition-normal);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--input-focus);
  box-shadow: 0 0 0 3px var(--accent-light);
}

.form-input::placeholder {
  color: var(--text-secondary);
}

/* === CARDS === */
.card {
  background: var(--card-bg);
  border-radius: 0.75rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: all var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-header {
  padding: 1.5rem 1.5rem 0;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 1rem;
}

.card-body {
  padding: 1.5rem;
}

.card-footer {
  padding: 0 1.5rem 1.5rem;
  border-top: 1px solid var(--border-light);
  margin-top: 1rem;
}

/* === MODALS === */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--overlay-bg);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.modal-content {
  background: var(--card-bg);
  border-radius: 1rem;
  box-shadow: var(--shadow-xl);
  max-width: 90vw;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* === STATUS INDICATORS === */
.status {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
  gap: 0.25rem;
}

.status-success {
  background: var(--success-bg);
  color: var(--success-color);
}

.status-warning {
  background: var(--warning-bg);
  color: var(--warning-color);
}

.status-error {
  background: var(--error-bg);
  color: var(--error-color);
}

.status-info {
  background: var(--info-bg);
  color: var(--info-color);
}

/* === PROGRESS BARS === */
.progress {
  width: 100%;
  height: 0.5rem;
  background: var(--progress-bg);
  border-radius: 9999px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--progress-active);
  transition: width var(--transition-normal);
}

.progress-bar-success {
  background: var(--progress-success);
}

.progress-bar-warning {
  background: var(--progress-warning);
}

.progress-bar-error {
  background: var(--progress-error);
}

/* === UTILITIES === */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-5 { margin-bottom: 1.25rem; }
.mb-6 { margin-bottom: 1.5rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-5 { margin-top: 1.25rem; }
.mt-6 { margin-top: 1.5rem; }

.p-0 { padding: 0; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }

.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.rounded { border-radius: 0.25rem; }
.rounded-md { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-full { border-radius: 9999px; }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .modal-content {
    margin: 1rem;
    max-width: calc(100vw - 2rem);
  }
  
  .card-body {
    padding: 1rem;
  }
  
  .btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.8125rem;
  }
}

@media (max-width: 480px) {
  .card-body {
    padding: 0.75rem;
  }
  
  .btn {
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
  }
}