/* CSS Variables - Emerald Dark Mode Theme */
:root {
  --bg-color: #0b1511;
  --bg-gradient: linear-gradient(135deg, #060e0b 0%, #0d2119 100%);
  --glass-color: rgba(20, 38, 30, 0.45);
  --glass-border: rgba(34, 197, 94, 0.15);
  --glass-border-focus: rgba(34, 197, 94, 0.4);
  --text-primary: #f0fdf4;
  --text-secondary: #86efac;
  --text-muted: #4ade80;
  --primary-accent: #22c55e;
  --primary-glow: rgba(34, 197, 94, 0.35);
  --danger-color: #ef4444;
  --success-color: #10b981;
  --font-family: 'Outfit', sans-serif;
  --shadow-main: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --transition-speed: 0.3s;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  background-image: var(--bg-gradient);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow-x: hidden;
  position: relative;
}

/* Glass background circles */
.glass-bg {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: -1;
  overflow: hidden;
}
.glass-bg::before, .glass-bg::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
}
.glass-bg::before {
  width: 300px;
  height: 300px;
  background: rgba(34, 197, 94, 0.15);
  top: 10%;
  left: 15%;
}
.glass-bg::after {
  width: 400px;
  height: 400px;
  background: rgba(16, 185, 129, 0.1);
  bottom: 10%;
  right: 10%;
}

.container {
  width: 100%;
  max-width: 540px;
  padding: 20px;
  z-index: 1;
}

/* Cards & Layout */
.card {
  background: var(--glass-color);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  box-shadow: var(--shadow-main);
  padding: 32px;
  width: 100%;
  transition: border-color var(--transition-speed);
}

.card:hover {
  border-color: rgba(34, 197, 94, 0.25);
}

.login-card {
  max-width: 420px;
  margin: 0 auto;
}

.card-header {
  text-align: center;
  margin-bottom: 28px;
}
.logo {
  font-size: 3rem;
  margin-bottom: 12px;
  display: inline-block;
  animation: float 4s ease-in-out infinite;
}
h1 {
  font-weight: 600;
  font-size: 1.8rem;
  color: var(--text-primary);
  margin-bottom: 6px;
  letter-spacing: -0.5px;
}
h2 {
  font-weight: 500;
  font-size: 1.5rem;
  letter-spacing: -0.3px;
}
p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Forms & Inputs */
.input-group {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
}
.input-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.input-group input, .input-group textarea {
  background: rgba(10, 20, 16, 0.5);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  padding: 14px 16px;
  border-radius: 12px;
  font-family: var(--font-family);
  font-size: 1rem;
  outline: none;
  transition: all var(--transition-speed);
}
.input-group input:focus, .input-group textarea:focus {
  border-color: var(--glass-border-focus);
  box-shadow: 0 0 12px rgba(34, 197, 94, 0.2);
  background: rgba(10, 20, 16, 0.7);
}
.input-group textarea {
  min-height: 120px;
  resize: vertical;
  line-height: 1.5;
}

/* Buttons */
.btn {
  font-family: var(--font-family);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 14px 24px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-speed);
}
.btn-block {
  display: flex;
  width: 100%;
}
.btn-primary {
  background: var(--primary-accent);
  color: #052e16;
  box-shadow: 0 4px 14px var(--primary-glow);
}
.btn-primary:hover {
  background: #4ade80;
  box-shadow: 0 6px 20px rgba(34, 197, 94, 0.5);
  transform: translateY(-1px);
}
.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
}
.btn-success {
  background: var(--success-color);
  color: #022c22;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}
.btn-success:hover {
  background: #34d399;
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.5);
  transform: translateY(-1px);
}
.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
  border-radius: 8px;
}

/* Button Shine animation effect */
.btn-shine {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.25),
    transparent
  );
  transition: 0.5s;
}
.btn:hover .btn-shine {
  left: 100%;
  transition: 0.6s ease-in-out;
}

/* Status Panel */
.workspace-header {
  margin-bottom: 28px;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 18px;
}
.header-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.status-bar {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.status-indicator {
  display: inline-flex;
  align-items: center;
  background: rgba(10, 20, 16, 0.4);
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--danger-color);
  margin-right: 8px;
  display: inline-block;
}
.status-dot.online {
  background-color: var(--success-color);
  box-shadow: 0 0 8px var(--success-color);
}
.mailbox-badge {
  background: var(--primary-accent);
  color: #052e16;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 10px;
  margin-right: 6px;
  font-size: 0.75rem;
}

/* Foods & Results Panel */
.results-panel {
  margin-top: 24px;
  border-top: 1px solid var(--glass-border);
  padding-top: 20px;
}
.results-panel h3 {
  font-size: 1.1rem;
  margin-bottom: 16px;
  color: var(--text-primary);
}
.foods-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

/* Food item edit cards */
.food-card {
  background: rgba(10, 20, 16, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  padding: 16px;
  position: relative;
  transition: all var(--transition-speed);
}
.food-card:hover {
  background: rgba(10, 20, 16, 0.5);
  border-color: rgba(34, 197, 94, 0.15);
}
.food-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
  align-items: center;
}
.food-title {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 1.05rem;
}
.food-source {
  font-size: 0.75rem;
  background: rgba(34, 197, 94, 0.1);
  color: var(--text-secondary);
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid rgba(34, 197, 94, 0.15);
}

.food-inputs {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 16px;
  align-items: center;
}
.gram-input-wrap {
  display: flex;
  align-items: center;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 8px;
  border: 1px solid var(--glass-border);
  padding-right: 8px;
}
.gram-input-wrap input {
  width: 100%;
  border: none;
  background: transparent;
  color: var(--text-primary);
  padding: 8px;
  text-align: center;
  font-family: var(--font-family);
  font-size: 0.95rem;
  outline: none;
}
.gram-unit {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* Mini macro readout */
.food-macros {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}
.mini-macro {
  text-align: center;
  flex: 1;
  background: rgba(255, 255, 255, 0.02);
  padding: 6px;
  border-radius: 6px;
  font-size: 0.8rem;
}
.mini-macro-val {
  font-weight: 500;
  color: var(--text-primary);
}
.mini-macro-lbl {
  font-size: 0.7rem;
  color: var(--text-secondary);
}

/* Totals Summary */
.totals-card {
  background: linear-gradient(135deg, rgba(34, 197, 94, 0.08) 0%, rgba(16, 185, 129, 0.04) 100%);
  border: 1px solid rgba(34, 197, 94, 0.25);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 24px;
}
.totals-card h4 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  margin-bottom: 12px;
}
.macros-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  text-align: center;
}
.macro-col {
  border-right: 1px solid rgba(255, 255, 255, 0.05);
}
.macro-col:last-child {
  border-right: none;
}
.macro-val {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}
.macro-lbl {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Helpers */
.hidden {
  display: none !important;
}
.error-msg {
  color: var(--danger-color);
  font-size: 0.85rem;
  margin-top: 12px;
  text-align: center;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: #1e293b;
  border: 1px solid var(--primary-accent);
  color: var(--text-primary);
  padding: 12px 24px;
  border-radius: 12px;
  box-shadow: var(--shadow-main);
  z-index: 100;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  font-size: 0.95rem;
}
.toast.show {
  transform: translateX(-50%) translateY(0);
}

/* Animations */
.fade-in {
  animation: fadeIn 0.4s ease-out forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}