/* ============================================
   REUSABLE COMPONENTS
   ============================================ */

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

.card {
  background: var(--gradient-card);
  border: var(--border-width) solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  backdrop-filter: var(--glass-blur);
  transition: all var(--transition-base);
  box-shadow: var(--shadow-md);
}

.card:hover {
  background: var(--gradient-card-hover);
  border-color: rgba(255, 255, 255, 0.12);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.card-glass {
  background: var(--glass-bg);
  border: var(--border-width) solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  backdrop-filter: var(--glass-blur);
  box-shadow: var(--shadow-md);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: var(--border-width) solid rgba(255, 255, 255, 0.06);
}

.card-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.card-subtitle {
  font-size: var(--text-sm);
  color: var(--color-gray);
  margin-top: var(--space-1);
}

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

.stat-card {
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, transparent, currentColor, transparent);
  opacity: 0.6;
}

.stat-card.production::before {
  color: var(--color-energy-production);
}

.stat-card.consumption::before {
  color: var(--color-energy-consumption);
}

.stat-card.storage::before {
  color: var(--color-energy-storage);
}

.stat-label {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-2);
}

.stat-value {
  font-family: var(--font-mono);
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  color: var(--color-white);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-2);
}

.stat-unit {
  font-size: var(--text-lg);
  font-weight: var(--weight-normal);
  color: var(--color-gray);
  margin-left: var(--space-2);
}

.stat-trend {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.05);
}

.stat-trend.positive {
  color: var(--color-energy-production);
}

.stat-trend.negative {
  color: var(--color-energy-consumption);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  padding: var(--space-3) var(--space-6);
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--gradient-storage);
  color: var(--color-void);
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-storage);
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--color-white);
  border: var(--border-width) solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
}

.btn-secondary:hover {
  background: rgba(37, 43, 74, 0.6);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.btn-success {
  background: var(--gradient-production);
  color: var(--color-void);
  box-shadow: var(--shadow-md);
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-production);
}

.btn-danger {
  background: linear-gradient(135deg, #ff4757, #ff6b81);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(255, 71, 87, 0.4);
}

.btn-sm {
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-4);
}

.btn-lg {
  font-size: var(--text-lg);
  padding: var(--space-4) var(--space-8);
}

/* ========== Badges ========== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-online {
  background: rgba(0, 255, 136, 0.15);
  color: var(--color-energy-production);
  border: var(--border-width) solid rgba(0, 255, 136, 0.3);
}

.badge-offline {
  background: rgba(148, 163, 184, 0.15);
  color: var(--color-gray);
  border: var(--border-width) solid rgba(148, 163, 184, 0.3);
}

.badge-charging {
  background: rgba(0, 212, 255, 0.15);
  color: var(--color-energy-storage);
  border: var(--border-width) solid rgba(0, 212, 255, 0.3);
}

.badge-discharging {
  background: rgba(255, 140, 66, 0.15);
  color: var(--color-energy-consumption);
  border: var(--border-width) solid rgba(255, 140, 66, 0.3);
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  animation: pulse-glow 2s infinite;
}

/* ========== Progress Bars ========== */

.progress-bar {
  width: 100%;
  height: 12px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-full);
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  right: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  animation: energy-flow 2s linear infinite;
}

.progress-fill.production {
  background: var(--gradient-production);
}

.progress-fill.consumption {
  background: var(--gradient-consumption);
}

.progress-fill.storage {
  background: var(--gradient-storage);
}

/* ========== Device Icons ========== */

.device-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  font-size: var(--text-2xl);
  transition: all var(--transition-base);
}

.device-icon.solar {
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.2), rgba(255, 165, 0, 0.2));
  color: #ffd700;
}

.device-icon.battery {
  background: linear-gradient(135deg, rgba(0, 212, 255, 0.2), rgba(61, 213, 243, 0.2));
  color: var(--color-energy-storage);
}

.device-icon.ev {
  background: linear-gradient(135deg, rgba(180, 75, 243, 0.2), rgba(232, 121, 249, 0.2));
  color: var(--color-accent-purple);
}

.device-icon.generator {
  background: linear-gradient(135deg, rgba(100, 116, 139, 0.2), rgba(148, 163, 184, 0.2));
  color: var(--color-silver);
}

.device-icon.ac,
.device-icon.heater {
  background: linear-gradient(135deg, rgba(255, 140, 66, 0.2), rgba(255, 184, 77, 0.2));
  color: var(--color-energy-consumption);
}

.device-icon:hover {
  transform: scale(1.1);
  box-shadow: 0 0 20px currentColor;
}

/* ========== Energy Meter ========== */

.energy-meter {
  position: relative;
  width: 200px;
  height: 200px;
  margin: 0 auto;
}

.meter-circle {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.meter-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.05);
  stroke-width: 12;
}

.meter-progress {
  fill: none;
  stroke-width: 12;
  stroke-linecap: round;
  transition: stroke-dashoffset var(--transition-slow);
}

.meter-progress.production {
  stroke: url(#gradient-production);
}

.meter-progress.consumption {
  stroke: url(#gradient-consumption);
}

.meter-progress.storage {
  stroke: url(#gradient-storage);
}

.meter-value {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.meter-number {
  font-family: var(--font-mono);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--color-white);
}

.meter-label {
  font-size: var(--text-sm);
  color: var(--color-gray);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: var(--space-2);
}

/* ========== Grid Layouts ========== */

.grid {
  display: grid;
  gap: var(--space-6);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
}

/* ========== Tables ========== */

.table-container {
  background: var(--glass-bg);
  border: var(--border-width) solid var(--glass-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  backdrop-filter: var(--glass-blur);
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table thead {
  background: rgba(255, 255, 255, 0.03);
}

.table th {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  color: var(--color-silver);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: var(--space-4) var(--space-6);
  text-align: left;
  border-bottom: var(--border-width) solid rgba(255, 255, 255, 0.08);
}

.table td {
  padding: var(--space-4) var(--space-6);
  border-bottom: var(--border-width) solid rgba(255, 255, 255, 0.04);
  color: var(--color-ice);
}

.table tbody tr {
  transition: background var(--transition-fast);
}

.table tbody tr:hover {
  background: rgba(255, 255, 255, 0.03);
}

/* ========== Forms ========== */

.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-silver);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.05);
  border: var(--border-width) solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-4);
  transition: all var(--transition-base);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--color-energy-storage);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-input::placeholder {
  color: var(--color-gray-dim);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

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

.spinner {
  display: inline-block;
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-top-color: var(--color-energy-storage);
  border-radius: 50%;
  animation: spin-slow 1s linear infinite;
}

.spinner-sm {
  width: 20px;
  height: 20px;
  border-width: 2px;
}

.spinner-lg {
  width: 60px;
  height: 60px;
  border-width: 4px;
}

/* ========== Tooltips ========== */

.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip-text {
  visibility: hidden;
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-void);
  color: var(--color-white);
  text-align: center;
  font-size: var(--text-sm);
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  white-space: nowrap;
  z-index: var(--z-tooltip);
  border: var(--border-width) solid var(--glass-border);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.tooltip:hover .tooltip-text {
  visibility: visible;
  opacity: 1;
}

/* ========== Energy Flow Indicator ========== */

.flow-indicator {
  position: relative;
  height: 4px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.flow-indicator::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 30%;
  background: linear-gradient(90deg, transparent, currentColor, transparent);
  animation: energy-flow 2s linear infinite;
}

.flow-indicator.production::after {
  color: var(--color-energy-production);
}

.flow-indicator.consumption::after {
  color: var(--color-energy-consumption);
}

.flow-indicator.storage-in::after {
  color: var(--color-energy-storage);
}

.flow-indicator.storage-out::after {
  color: var(--color-energy-consumption);
  animation-direction: reverse;
}