@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&display=swap');

:root {
    /* Color Palette - Mystical Dark Mode */
    --bg-primary: #0a0e1a;
    --bg-secondary: #121829;
    --accent-gold: #d4af37;
    --accent-amber: #ffc107;
    --text-primary: #f0f0f0;
    --text-secondary: #a0aabf;
    --danger: #e63946;
    
    /* Five Elements Colors for Dark Mode */
    --element-kim: #cfd8dc;
    --element-moc: #81c784;
    --element-thuy: #64b5f6;
    --element-hoa: #e57373;
    --element-tho: #ffb74d;

    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --glass-blur: blur(12px);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-serif: 'Playfair Display', serif;
}

body.modern-theme {
    background: radial-gradient(circle at top, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    background-attachment: fixed;
    color: var(--text-primary);
    font-family: var(--font-body);
    min-height: 100vh;
    margin: 0;
    line-height: 1.6;
}

.modern-theme h1, 
.modern-theme h2, 
.modern-theme h3, 
.modern-theme h4, 
.modern-theme h5, 
.modern-theme h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
}

.modern-theme a {
    color: var(--accent-gold);
    text-decoration: none;
    transition: color 0.3s ease;
}

.modern-theme a:hover {
    color: var(--accent-amber);
}

/* Glass Card */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--glass-shadow);
    padding: 2rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.5);
    border-color: rgba(212, 175, 55, 0.3); /* gold subtle border */
}

/* Specific Feature Card inside Portal */
.feature-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    height: 100%;
}

.feature-card .icon-wrapper {
    font-size: 3.5rem;
    color: var(--accent-gold);
    margin-bottom: 1rem;
    transition: transform 0.3s ease, color 0.3s ease;
    background: linear-gradient(135deg, var(--accent-amber), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 4px 6px rgba(0,0,0,0.3));
}

.feature-card:hover .icon-wrapper {
    transform: scale(1.1);
}

.feature-card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.feature-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* Input Fields and Forms in Modern Theme */
.modern-theme .form-control,
.modern-theme .form-select,
.modern-theme input[type="text"],
.modern-theme input[type="date"],
.modern-theme input[type="number"],
.modern-theme select {
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.modern-theme .form-control:focus,
.modern-theme .form-select:focus,
.modern-theme input:focus,
.modern-theme select:focus {
    background-color: rgba(0, 0, 0, 0.4);
    border-color: var(--accent-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
    outline: none;
}

/* Button overrides */
.modern-theme .btn-primary,
.modern-theme button[type="submit"] {
    background: linear-gradient(135deg, var(--accent-gold) 0%, #b89742 100%);
    border: none;
    color: #000;
    font-weight: 600;
    border-radius: 8px;
    padding: 0.75rem 1.5rem;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.modern-theme .btn-primary:hover,
.modern-theme button[type="submit"]:hover {
    background: linear-gradient(135deg, var(--accent-amber) 0%, var(--accent-gold) 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.4);
}

.modern-theme .btn-danger {
    background: linear-gradient(135deg, #ff4d4d 0%, var(--danger) 100%);
    border: none;
}

/* Text Gradient for Main Title */
.text-gradient-gold {
    background: linear-gradient(135deg, var(--accent-amber), var(--accent-gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Astrology Chart Scale Wrapper */
.astrology-chart-wrapper-container {
    width: 100%;
    overflow: hidden;
    display: flex;
    justify-content: center;
}

.astrology-chart-wrapper {
    transform-origin: top center;
}

/* ====== CSS ISOLATION FOR CHARTS ====== */
.astrology-chart-wrapper * {
    box-sizing: content-box;
    line-height: normal;
}
.astrology-chart-wrapper .sao-group, 
.astrology-chart-wrapper .palace-name,
.astrology-chart-wrapper .center-lines,
.astrology-chart-wrapper p,
.astrology-chart-wrapper span {
    line-height: 1.2;
}

/* ====== MODERN FORM GRID (Unified Input Form) ====== */
.modern-form-grid {
    max-width: 520px;
    margin: 0 auto;
}

.modern-form-grid .form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 8px;
    margin: 12px 0;
    text-align: left;
}

.modern-form-grid label {
    margin: 0;
    font-weight: 600;
}

.modern-form-grid .control {
    width: 100%;
}

.modern-form-grid input,
.modern-form-grid select {
    width: 100%;
    box-sizing: border-box;
}

/* Inline controls */
.radio-inline {
    display: inline-flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.radio-inline .radio {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin: 0;
}

.inline-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
}

.inline-2 {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: 10px;
    align-items: center;
}

.gio-chi {
    font-weight: 600;
    color: var(--accent-gold);
    white-space: nowrap;
}

.form-actions-sample {
    margin-top: 14px;
}

.btn-full {
    width: 100%;
    display: block;
}

/* For printing/exporting, ensure background is correct if needed */
.astrology-chart-wrapper .chart-container {
    background: #ffffff; /* keep charts white inside if they are designed to be printed/white */
    color: #111; /* keep chart text black */
    border-radius: 8px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.5);
    overflow: hidden;
}

/* Adjustments for charts specifically inside modern theme */
.modern-theme .info-panel-text {
    color: #111;
}

/* Toggle Switch */
.theme-switch-wrapper {
    display: flex;
    align-items: center;
    position: absolute;
    top: 20px;
    right: 20px;
    z-index: 100;
}

.theme-switch {
  display: inline-block;
  height: 34px;
  position: relative;
  width: 60px;
}

.theme-switch input {
  display:none;
}

.slider {
  background-color: rgba(255,255,255,0.2);
  bottom: 0;
  cursor: pointer;
  left: 0;
  position: absolute;
  right: 0;
  top: 0;
  transition: .4s;
  border-radius: 34px;
  border: 1px solid var(--glass-border);
}

.slider:before {
  background-color: var(--accent-gold);
  bottom: 4px;
  content: "";
  height: 24px;
  left: 4px;
  position: absolute;
  transition: .4s;
  width: 24px;
  border-radius: 50%;
}

input:checked + .slider {
  background-color: rgba(0,0,0,0.5);
}

input:checked + .slider:before {
  transform: translateX(26px);
}

/* Increase input form size for hexagram apps on PC */
@media (min-width: 1024px) {
    .glass-card.form-container {
        max-width: 1000px !important;
        padding: 3rem !important;
    }
    .modern-form-grid {
        max-width: 800px !important;
    }
    .glass-card h3 {
        font-size: 2rem;
        margin-bottom: 2rem;
    }
    .glass-card label {
        font-size: 1.35rem;
    }
    .glass-card.form-container .form-control,
    .glass-card.form-container input[type="text"],
    .glass-card.form-container input[type="number"],
    .glass-card.form-container input[type="date"],
    .glass-card.form-container select,
    .glass-card.modern-form-grid .form-control,
    .glass-card.modern-form-grid input[type="text"],
    .glass-card.modern-form-grid input[type="number"],
    .glass-card.modern-form-grid input[type="date"],
    .glass-card.modern-form-grid select {
        font-size: 1.2rem;
        padding: 0.8rem 1.2rem !important;
    }
    .glass-card.form-container .btn,
    .glass-card.modern-form-grid .btn {
        font-size: 1.25rem;
        padding: 0.9rem 2rem;
    }
    .table-input th, .table-input td {
        font-size: 1.15rem;
        vertical-align: middle;
    }
    .table-input .form-check-input {
        width: 1.5rem;
        height: 1.5rem;
    }
}

/* Expand interface for very large screens (FullHD) */
@media (min-width: 1200px) {
    .main-container, .banner-container, .main-menu-container {
        max-width: 1200px !important;
    }
    .glass-card.form-container {
        max-width: 1200px !important;
        padding: 3.5rem !important;
    }
    .glass-card h3,
    .glass-card.form-container .form-title {
        font-size: 2.5rem;
        margin-bottom: 2rem;
        font-weight: 700;
    }
    .glass-card label {
        font-size: 1.6rem;
    }
    .glass-card.form-container .form-control,
    .glass-card.form-container input[type="text"],
    .glass-card.form-container input[type="number"],
    .glass-card.form-container input[type="date"],
    .glass-card.form-container select,
    .glass-card.modern-form-grid .form-control,
    .glass-card.modern-form-grid input[type="text"],
    .glass-card.modern-form-grid input[type="number"],
    .glass-card.modern-form-grid input[type="date"],
    .glass-card.modern-form-grid select {
        font-size: 1.35rem;
        padding: 1rem 1.5rem !important;
        height: auto;
    }
    .glass-card.form-container .btn,
    .glass-card.modern-form-grid .btn {
        font-size: 1.4rem;
        padding: 1rem 2rem;
    }
    .table-input th, .table-input td {
        font-size: 1.25rem;
    }
    .table-input .form-check-input {
        width: 1.8rem;
        height: 1.8rem;
    }
    .form-logo-header img {
        width: 220px !important;
    }
}