/* frontend/css/styles.css */
/* Ultimate Premium Dark Mode + Glassmorphism */

:root {
  --font-family: 'Inter', system-ui, -apple-system, sans-serif;
  
  /* Palette */
  --color-bg: #0b0e14;
  --color-surface: rgba(23, 28, 38, 0.7);
  --color-surface-hover: rgba(35, 42, 56, 0.85);
  --color-primary: #3b82f6; /* Modern Blue */
  --color-primary-glow: rgba(59, 130, 246, 0.5);
  --color-success: #10b981; /* Emerald */
  --color-success-glow: rgba(16, 185, 129, 0.4);
  --color-warning: #f59e0b; /* Amber */
  --color-error: #ef4444; /* Rose */
  --color-text: #f3f4f6;
  --color-text-dim: #9ca3af;
  
  /* Utils */
  --radius-lg: 1.25rem;
  --radius-md: 0.75rem;
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3), 0 10px 10px -5px rgba(0, 0, 0, 0.1);
  --glass-border: 1px solid rgba(255, 255, 255, 0.08);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--color-bg);
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.05) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(16, 185, 129, 0.05) 0%, transparent 40%);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb { 
  background: rgba(255,255,255,0.1); 
  border-radius: 10px; 
}
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* Header */
.header {
  padding: 2.5rem 1rem;
  background: rgba(11, 14, 20, 0.8);
  backdrop-filter: blur(20px);
  border-bottom: var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header h1 {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(to right, #60a5fa, #34d399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.025em;
}

.header p {
  color: var(--color-text-dim);
  font-size: 0.95rem;
}

/* Auth Section */
.auth-box {
  max-width: 420px;
  margin: 6rem auto;
  padding: 2.5rem;
  background: var(--color-surface);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  border: var(--glass-border);
  box-shadow: var(--shadow-xl);
}

.auth-box h2 {
  font-size: 1.75rem;
  margin-bottom: 2rem;
  text-align: center;
}

.auth-box input {
  width: 100%;
  padding: 0.875rem 1.25rem;
  margin-top: 0.75rem;
  background: rgba(0, 0, 0, 0.3);
  border: var(--glass-border);
  border-radius: var(--radius-md);
  color: #fff;
  transition: all 0.2s;
}

.auth-box input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-glow);
}

/* Tabs */
.tabs-container {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.03);
  margin-top: 1rem;
  border-radius: var(--radius-md);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.tab-btn {
  background: transparent;
  color: var(--color-text-dim);
  border: none;
  padding: 0.625rem 1.25rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 500;
  transition: all 0.2s;
}

.tab-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
}

.tab-btn.active {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 12px var(--color-primary-glow);
}

/* Main Content */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

.section {
  animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Cards & Grid */
.platforms-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.platform-card {
  background: var(--color-surface);
  padding: 1.75rem;
  border-radius: var(--radius-lg);
  border: var(--glass-border);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.platform-card:hover {
  transform: translateY(-4px);
  background: var(--color-surface-hover);
  border-color: rgba(255,255,255,0.15);
  box-shadow: var(--shadow-xl);
}

.platform-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

/* Buttons */
.btn-primary {
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
  box-shadow: 0 4px 15px var(--color-primary-glow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-text);
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  border: var(--glass-border);
  cursor: pointer;
  transition: all 0.2s;
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Table */
.table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: var(--glass-border);
}

.table th {
  background: rgba(255, 255, 255, 0.03);
  padding: 1rem 1.5rem;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--color-text-dim);
  text-align: left;
}

.table td {
  padding: 1.25rem 1.5rem;
  border-top: var(--glass-border);
  font-size: 0.95rem;
}

.table tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

/* Status Badges */
.status-pill {
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
}
.status-new { background: rgba(59, 130, 246, 0.15); color: #60a5fa; }
.status-closed { background: rgba(16, 185, 129, 0.15); color: #34d399; }

/* Icons */
.icon-sm {
  width: 18px;
  height: 18px;
  vertical-align: middle;
  margin-right: 0.25rem;
  stroke-width: 2.5px;
}

.icon-sm.spin {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.hidden { display: none !important; }

/* Form Controls */
input, select, textarea {
  font-family: inherit;
  transition: border-color 0.2s;
}

/* Chart Container */
canvas {
  margin-top: 1rem;
  filter: drop-shadow(0 0 10px rgba(59, 130, 246, 0.1));
}
/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.toast {
  background: var(--color-surface);
  backdrop-filter: blur(20px);
  border: var(--glass-border);
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  color: #fff;
  min-width: 300px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-left: 4px solid var(--color-primary);
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(100%); }
  to { opacity: 1; transform: translateX(0); }
}

.toast.success { border-left-color: var(--color-success); }
.toast.error { border-left-color: var(--color-error); }
.toast.info { border-left-color: var(--color-primary); }

.toast-message { font-size: 0.9rem; font-weight: 500; }