/* assets/css/theme.css */

:root {
  /* Brand Core Identity */
  --brand-magenta: #C20067;       /* The deep, vibrant magenta base background */
  --brand-gold-pure: #E2B747;     /* Solid premium gold for text/accents */
  --brand-gold-light: #F7E49D;    /* Vibrant gold highlight for borders/glows */

  /* Interface Backgrounds */
  --bg-dark-premium: #16000D;    /* Ultra-dark premium purple/black for background depth */
  --glass-surface: rgba(255, 255, 255, 0.04);
  --glass-border: rgba(226, 183, 71, 0.15); /* Soft gold-tinted transparent border */

  /* System States */
  --state-locked: #64748b;        /* Slate gray for unachieved milestones */
  --state-glow: 0 0 15px rgba(226, 183, 71, 0.6);

  /* Typography */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif: 'Playfair Display', serif;
}

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

body {
    background-color: var(--bg-dark-premium);
    background-image: radial-gradient(circle at top right, #2a0017, transparent),
                      radial-gradient(circle at bottom left, #1a000f, transparent);
    color: #ffffff;
    font-family: var(--font-main);
    min-height: 100vh;
    line-height: 1.6;
}

/* Glassmorphic Card Utility */
.glass-card {
    background: var(--glass-surface);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.glass-card:hover {
    border-color: rgba(226, 183, 71, 0.4);
}

/* Typography Helpers */
.gold-text {
    color: var(--brand-gold-pure);
}

.gold-gradient-text {
    background: linear-gradient(135deg, #F7E49D 0%, #E2B747 50%, #A37A24 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: bold;
}

h1, h2, h3, .rank-title {
    font-family: var(--font-serif);
    margin-bottom: 1rem;
}

/* Buttons */
.btn-gold {
    background: linear-gradient(135deg, #E2B747 0%, #A37A24 100%);
    color: #000;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: bold;
    cursor: pointer;
    text-transform: uppercase;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-gold:hover {
    box-shadow: var(--state-glow);
    transform: translateY(-2px);
}

/* Progress Bar */
.progress-container {
    width: 100%;
    height: 12px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--glass-border);
    border-radius: 6px;
    position: relative;
    margin: 40px 0;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--brand-magenta), var(--brand-gold-pure));
    border-radius: 6px;
    width: 0%;
    transition: width 1s ease-in-out;
}

.milestone {
    position: absolute;
    top: -30px;
    transform: translateX(-50%);
    text-align: center;
}

.milestone-node {
    width: 16px;
    height: 16px;
    background: var(--state-locked);
    border-radius: 50%;
    margin: 10px auto;
    border: 2px solid var(--bg-dark-premium);
}

.milestone.active .milestone-node {
    background: var(--brand-gold-pure);
    box-shadow: var(--state-glow);
}

.milestone-label {
    font-size: 12px;
    color: var(--state-locked);
}

.milestone.active .milestone-label {
    color: var(--brand-gold-pure);
}

/* Dashboard Layout */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
    padding: 24px;
}

.sidebar {
    width: 260px;
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    background: rgba(0, 0, 0, 0.5);
    border-right: 1px solid var(--glass-border);
    padding: 24px;
}

.main-content {
    margin-left: 260px;
    padding: 24px;
}

/* Network Tree */
.tree-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 40px;
}

.tree-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.tree-children {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-top: 40px;
    position: relative;
}

.tree-children::before {
    content: '';
    position: absolute;
    top: -20px;
    left: 50%;
    width: 2px;
    height: 20px;
    background: var(--brand-gold-pure);
    transform: translateX(-50%);
}

.tree-node .node-card {
    min-width: 150px;
    padding: 15px;
    text-align: center;
    border: 1px solid var(--glass-border);
    background: var(--glass-surface);
    border-radius: 12px;
    transition: all 0.3s ease;
    cursor: pointer;
}

.tree-node .node-card:hover {
    transform: scale(1.05);
    border-color: var(--brand-gold-pure);
    box-shadow: var(--state-glow);
}

.tree-connector-v {
    width: 2px;
    height: 20px;
    background: var(--brand-gold-pure);
}

/* Animations */
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(226, 183, 71, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(226, 183, 71, 0); }
    100% { box-shadow: 0 0 0 0 rgba(226, 183, 71, 0); }
}

.milestone.active .milestone-node {
    animation: pulse 2s infinite;
}