:root {
  --transition-fast: 0.2s ease-in-out;
  --border-radius: 12px;

  /* Default (light theme) variables */
  --color-bg: #ffffff;
  --color-text: #0f0f0f;
  --color-primary: #2e6edf;
  --color-accent: #41bfad;
  --color-border: #e0e0e0;

  /* Extra tokens used by components */
  --color-surface: #ffffff;
  --shadow-soft: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-soft-hover: 0 14px 36px rgba(0, 0, 0, 0.14);
}

/* Dark Theme Variables */
[data-theme="dark"] {
  --color-bg: #0f0f0f;
  --color-text: #f8f8f8;
  --color-primary: #56a8f7;
  --color-accent: #41bfad;
  --color-border: #262626;

  --color-surface: #151515;
  --shadow-soft: 0 10px 28px rgba(0, 0, 0, 0.35);
  --shadow-soft-hover: 0 16px 40px rgba(0, 0, 0, 0.45);
}

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  font-family: "Poppins", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
}

/* Component styling */
.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-soft);
  padding: 1.5rem;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-soft-hover);
}

.btn-primary {
  background: linear-gradient(90deg, var(--color-primary), #56a8f7);
  color: #ffffff;
  font-weight: 500;
  border: none;
  border-radius: var(--border-radius);
  padding: 0.5rem 1rem;
  transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.btn-primary:hover {
  opacity: 0.9;
}

.btn-primary:active {
  transform: translateY(1px);
}

.theme-toggle {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: 0.25rem 0.6rem;
  font-size: 0.875rem;
  color: var(--color-text);
  background-color: transparent;
  cursor: pointer;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), opacity var(--transition-fast);
}

.theme-toggle:hover {
  background-color: var(--color-surface);
  opacity: 0.95;
}

.table td,
.table th {
  vertical-align: middle;
}

.table input[type="number"] {
  max-width: 70px;
  text-align: center;
}

.auth-container {
  max-width: 420px;
  margin: 80px auto 40px; /* pushes the form down so "Username" isn't hidden */
}

.video-hero {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

/* Background video */
.video-bg {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    transform: translate(-50%, -50%);
    object-fit: cover;
    z-index: 1;
}

/* Text overlay */
.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(0, -50%);
    z-index: 9999;
    width: 45%;
    color: white;
    padding-left: 2rem;
}

.hero-title {
    font-size: 4rem;
    font-weight: 700;
}