:root {
  --bg-dark: #0a0d14;
  --bg-card: #121722;
  --bg-card-hover: #171e2c;
  --bg-input: #1a2232;
  --border: #232d42;
  --border-focus: #3b82f6;
  
  --text-main: #f3f4f6;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  
  --accent-red: #ff3366;
  --accent-red-glow: rgba(255, 51, 102, 0.25);
  --accent-green: #00e676;
  --accent-green-glow: rgba(0, 230, 118, 0.25);
  --accent-blue: #38bdf8;
  --accent-amber: #f59e0b;
  --accent-purple: #a855f7;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  min-height: 100vh;
  padding-bottom: 60px;
}

/* Header */
header {
  background: rgba(18, 23, 34, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 16px 24px;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

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

.brand-badge {
  background: linear-gradient(135deg, var(--accent-red), #e11d48);
  color: white;
  font-weight: 800;
  font-size: 13px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  letter-spacing: 1px;
}

.brand-title {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.phase-chip {
  background: rgba(56, 189, 248, 0.15);
  color: var(--accent-blue);
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
}

.telegram-btn {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.2s;
}

.telegram-btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-dim);
}

.status-dot.active {
  background: var(--accent-green);
  box-shadow: 0 0 8px var(--accent-green);
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 24px auto;
  padding: 0 16px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Day Banner */
.day-banner {
  background: linear-gradient(135deg, #161e2e, #1a2337);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  box-shadow: var(--shadow);
}

.day-info h2 {
  font-size: 22px;
  margin-bottom: 4px;
}

.day-info p {
  color: var(--text-muted);
  font-size: 14px;
}

.day-carbs {
  display: flex;
  align-items: center;
  gap: 16px;
}

.carb-badge {
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.carb-badge.alto {
  background: rgba(255, 51, 102, 0.15);
  color: var(--accent-red);
  border: 1px solid var(--accent-red);
}

.carb-badge.bajo {
  background: rgba(0, 230, 118, 0.15);
  color: var(--accent-green);
  border: 1px solid var(--accent-green);
}

/* Cards Grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 22px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, border-color 0.2s;
}

.card:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-icon {
  font-size: 20px;
}

/* Metric Display */
.metric-value {
  font-size: 34px;
  font-weight: 800;
  letter-spacing: -1px;
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.metric-unit {
  font-size: 16px;
  font-weight: 500;
  color: var(--text-dim);
}

.metric-sub {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 6px;
}

/* Progress bar */
.progress-track {
  width: 100%;
  height: 10px;
  background: var(--bg-input);
  border-radius: 999px;
  margin: 14px 0 8px 0;
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #10b981, var(--accent-green));
  transition: width 0.4s ease;
  box-shadow: 0 0 10px var(--accent-green-glow);
}

.protein-slots {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin-top: 14px;
}

.slot-pill {
  background: var(--bg-input);
  border: 1px solid var(--border);
  padding: 8px 4px;
  text-align: center;
  border-radius: var(--radius-sm);
  font-size: 11px;
  color: var(--text-dim);
}

.slot-pill.active {
  background: rgba(0, 230, 118, 0.12);
  border-color: var(--accent-green);
  color: var(--accent-green);
  font-weight: 700;
}

/* Quick Action Buttons */
.quick-actions {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.btn {
  background: var(--bg-input);
  color: var(--text-main);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--text-dim);
}

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

.btn-primary:hover {
  background: #e11d48;
}

.btn-green {
  background: rgba(0, 230, 118, 0.15);
  border-color: var(--accent-green);
  color: var(--accent-green);
}

.btn-green:hover {
  background: var(--accent-green);
  color: #000;
}

/* Inline form */
.inline-form {
  display: flex;
  gap: 8px;
  margin-top: 14px;
}

.input-num {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  width: 100px;
}

.input-num:focus {
  outline: none;
  border-color: var(--accent-blue);
}

/* Two Column Section */
.two-cols {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

@media (max-width: 900px) {
  .two-cols {
    grid-template-columns: 1fr;
  }
}

/* Routine Table */
.routine-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
}

.routine-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.tab-group {
  display: flex;
  gap: 8px;
}

.tab-btn {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  font-weight: 600;
}

.tab-btn.active {
  background: var(--accent-red);
  color: white;
  border-color: var(--accent-red);
}

.table-responsive {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

th {
  text-align: left;
  padding: 10px 12px;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  font-weight: 600;
}

td {
  padding: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.weight-tag {
  font-weight: 700;
  color: var(--accent-blue);
}

.prog-sug {
  font-size: 11px;
  color: var(--accent-green);
  display: block;
}

/* Shopping List */
.shopping-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 360px;
  overflow-y: auto;
  padding-right: 6px;
}

.shop-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-input);
  border: 1px solid var(--border);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.2s;
}

.shop-item:hover {
  background: var(--bg-card-hover);
}

.shop-item.checked {
  opacity: 0.5;
  text-decoration: line-through;
}

.shop-meta {
  display: flex;
  align-items: center;
  gap: 10px;
}

.shop-qty {
  font-size: 12px;
  color: var(--text-dim);
  background: var(--bg-dark);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

/* Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal-overlay.open {
  display: flex;
}

.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
  width: 90%;
  max-width: 480px;
  box-shadow: var(--shadow);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 20px;
  cursor: pointer;
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
}

.form-group input:focus {
  outline: none;
  border-color: var(--accent-blue);
}