/* ================================================
 * MODERN UI SYSTEM - Ultra-Modern Interface Design
 *
 * This file contains modern UI enhancements:
 * - Advanced input field designs
 * - Modern form validation
 * - Button state animations
 * - Section dividers
 * - Visual hierarchy improvements
 * - Premium micro-interactions
 * ================================================ */

/* ──────────────────────────────────────────
 * MODERN INPUT FIELD SYSTEM
 * ────────────────────────────────────────── */

.form-group {
    position: relative;
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
}

.form-group label {
    position: absolute;
    left: var(--space-4);
    top: var(--space-4);
    font-size: var(--text-sm);
    color: var(--text-muted);
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: all 0.3s var(--ease-smooth);
    pointer-events: none;
    font-family: var(--font-heading);
    z-index: 1;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: calc(var(--space-5) + 0.5rem) var(--space-4) var(--space-3);
    padding-left: calc(var(--space-4) + 2.5rem);
    background: linear-gradient(135deg, rgba(10, 0, 37, 0.4) 0%, rgba(10, 0, 37, 0.6) 100%);
    border: 1.5px solid rgba(112, 66, 248, 0.25);
    border-radius: var(--radius-md);
    color: #fff;
    font-family: var(--font-mono);
    font-size: var(--text-base);
    transition: all 0.3s var(--ease-smooth);
    outline: none;
    position: relative;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(226, 217, 243, 0.3);
    opacity: 0;
    transition: opacity 0.3s var(--ease-smooth);
}

.form-group input:focus::placeholder,
.form-group textarea:focus::placeholder {
    opacity: 1;
}

.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:not(:placeholder-shown) ~ label,
.form-group input:focus ~ label,
.form-group textarea:focus ~ label {
    top: 0.5rem;
    left: var(--space-4);
    font-size: 0.7rem;
    color: var(--space-purple-light);
    font-weight: 600;
    letter-spacing: 1px;
}

/* Input Focus State - Modern Glow */
.form-group input:focus,
.form-group textarea:focus {
    border-color: rgba(112, 66, 248, 0.7);
    background: linear-gradient(135deg, rgba(10, 0, 37, 0.6) 0%, rgba(10, 0, 37, 0.8) 100%);
    box-shadow:
        inset 0 0 0 1px rgba(112, 66, 248, 0.2),
        0 0 0 3px rgba(112, 66, 248, 0.1),
        0 0 24px rgba(112, 66, 248, 0.3);
    will-change: box-shadow, background;
}

/* Input Error State - Modern Validation */
.form-group.field-error input,
.form-group.field-error textarea {
    border-color: #f87171;
    background: linear-gradient(135deg, rgba(127, 29, 29, 0.2) 0%, rgba(127, 29, 29, 0.3) 100%);
    box-shadow:
        inset 0 0 0 1px rgba(248, 113, 113, 0.2),
        0 0 24px rgba(248, 113, 113, 0.15);
}

.form-group.field-error input::after,
.form-group.field-error textarea::after {
    content: '✗';
    position: absolute;
    right: var(--space-4);
    color: #f87171;
    font-size: 1.2rem;
}

/* Input Success State */
.form-group.field-success input,
.form-group.field-success textarea {
    border-color: #86efac;
    background: linear-gradient(135deg, rgba(34, 64, 35, 0.2) 0%, rgba(34, 64, 35, 0.3) 100%);
    box-shadow:
        inset 0 0 0 1px rgba(134, 239, 172, 0.2),
        0 0 24px rgba(134, 239, 172, 0.15);
}

/* Error Message - Modern Display */
.form-group.field-error::after {
    content: attr(data-error-msg);
    display: block;
    font-size: 0.75rem;
    color: #fca5a5;
    margin-top: 0.5rem;
    font-family: var(--font-mono);
    padding-left: 0.25rem;
    animation: slideUp 0.3s var(--ease-smooth);
    letter-spacing: 0.3px;
}

/* Textarea Special Styling */
.form-group textarea {
    min-height: 150px;
    resize: vertical;
    font-size: 0.95rem;
    line-height: 1.6;
}

.form-group textarea:focus {
    min-height: 180px;
}

/* ──────────────────────────────────────────
 * MODERN BUTTON STATES
 * ────────────────────────────────────────── */

.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s var(--ease-smooth);
    will-change: transform, box-shadow;
}

/* Loading State */
.btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 1.5rem;
    transform: translateY(-50%);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: (#fff);
    border-radius: 50%;
    animation: rotateFast 0.8s linear infinite;
}

/* Success State */
.btn.success {
    background: linear-gradient(135deg, rgba(34, 64, 35, 0.4), rgba(34, 64, 35, 0.6)) !important;
    border-color: #86efac !important;
    color: #86efac;
    box-shadow: 0 0 20px rgba(134, 239, 172, 0.3) !important;
}

.btn.success::after {
    content: '✓';
    position: absolute;
    right: 1.25rem;
    font-size: 1.2rem;
    animation: popIn 0.5s var(--ease-bounce);
}

/* ──────────────────────────────────────────
 * SECTION DIVIDERS & SEPARATORS
 * ────────────────────────────────────────── */

.section-divider {
    position: relative;
    height: 2px;
    margin: 4rem 0;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(112, 66, 248, 0.3) 25%,
        rgba(112, 66, 248, 0.5) 50%,
        rgba(112, 66, 248, 0.3) 75%,
        transparent 100%
    );
    animation: gradientFlow 3s ease infinite;
    will-change: background-position;
}

.section-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 1.5rem;
    height: 1.5rem;
    background: var(--bg);
    border: 2px solid rgba(112, 66, 248, 0.4);
    border-radius: 50%;
    box-shadow: 0 0 16px rgba(112, 66, 248, 0.3);
    transition: all 0.3s var(--ease-smooth);
}

.section-divider:hover::before {
    width: 2rem;
    height: 2rem;
    box-shadow: 0 0 24px rgba(112, 66, 248, 0.5);
    border-color: rgba(112, 66, 248, 0.8);
}

/* Accent Divider with Icon */
.section-divider.with-icon::before {
    content: '✨';
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    border: none;
}

/* ──────────────────────────────────────────
 * ENHANCED CARD ELEVATION
 * ────────────────────────────────────────── */

.card-elevated {
    position: relative;
}

.card-elevated::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(112, 66, 248, 0.05), rgba(6, 182, 212, 0.05));
    border-radius: inherit;
    opacity: 0;
    transition: opacity 0.3s var(--ease-smooth);
    pointer-events: none;
}

.card-elevated:hover::before {
    opacity: 1;
}

/* Corner Accent Elements */
.card-elevated::after {
    content: '';
    position: absolute;
    top: -1px;
    right: -1px;
    width: 20px;
    height: 20px;
    border-right: 2px solid rgba(112, 66, 248, 0.3);
    border-top: 2px solid rgba(112, 66, 248, 0.3);
    border-radius: 0 var(--radius-lg) 0 0;
    transition: all 0.3s var(--ease-smooth);
    pointer-events: none;
}

.card-elevated:hover::after {
    width: 30px;
    height: 30px;
    border-color: rgba(112, 66, 248, 0.8);
    box-shadow: 0 0 16px rgba(112, 66, 248, 0.3);
}

.card-elevated .card-bottom-accent {
    position: absolute;
    bottom: -1px;
    left: -1px;
    width: 20px;
    height: 20px;
    border-left: 2px solid rgba(6, 182, 212, 0.3);
    border-bottom: 2px solid rgba(6, 182, 212, 0.3);
    border-radius: 0 0 0 var(--radius-lg);
    transition: all 0.3s var(--ease-smooth);
}

.card-elevated:hover .card-bottom-accent {
    width: 30px;
    height: 30px;
    border-color: rgba(6, 182, 212, 0.8);
    box-shadow: 0 0 16px rgba(6, 182, 212, 0.3);
}

/* ──────────────────────────────────────────
 * MODERN BADGE SYSTEM
 * ────────────────────────────────────────── */

.badge-modern {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.4rem 1rem;
    border-radius: var(--radius-pill);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s var(--ease-smooth);
    position: relative;
    overflow: hidden;
    background: rgba(112, 66, 248, 0.15);
    border: 1px solid rgba(112, 66, 248, 0.3);
    color: var(--space-purple-light);
}

.badge-modern::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: translateX(-100%);
    animation: shimmer 3s infinite;
    pointer-events: none;
}

.badge-modern:hover {
    box-shadow: 0 0 16px rgba(112, 66, 248, 0.4);
    border-color: rgba(112, 66, 248, 0.7);
    transform: scale(1.05);
}

.badge-modern.success {
    background: rgba(134, 239, 172, 0.15);
    border-color: rgba(134, 239, 172, 0.3);
    color: #86efac;
}

.badge-modern.warning {
    background: rgba(252, 211, 77, 0.15);
    border-color: rgba(252, 211, 77, 0.3);
    color: #fcd34d;
}

.badge-modern.danger {
    background: rgba(248, 113, 113, 0.15);
    border-color: rgba(248, 113, 113, 0.3);
    color: #f87171;
}

.badge-modern.outline {
    background: transparent;
    border: 1.5px solid rgba(112, 66, 248, 0.4);
}

/* ──────────────────────────────────────────
 * VISUAL HIERARCHY IMPROVEMENTS
 * ────────────────────────────────────────── */

.text-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: var(--text-muted);
    transition: color 0.3s var(--ease-smooth);
}

.text-label.accent {
    color: var(--space-purple-light);
}

.text-caption {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
    letter-spacing: 0.3px;
}

.text-subtitle {
    font-size: 1.125rem;
    color: var(--text-main);
    line-height: 1.6;
    font-weight: 500;
}

/* ──────────────────────────────────────────
 * PROGRESS INDICATORS
 * ────────────────────────────────────────── */

.progress-bar {
    width: 100%;
    height: 4px;
    background: rgba(112, 66, 248, 0.15);
    border-radius: var(--radius-pill);
    overflow: hidden;
    position: relative;
}

.progress-bar::before {
    content: '';
    position: absolute;
    height: 100%;
    width: var(--progress, 0%);
    background: linear-gradient(90deg, var(--space-purple), var(--space-cyan));
    border-radius: inherit;
    transition: width 0.4s var(--ease-smooth);
    box-shadow: 0 0 12px rgba(112, 66, 248, 0.5);
}

.progress-ring {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: conic-gradient(
        var(--space-purple) 0deg,
        var(--space-purple) calc(var(--progress, 0%) * 3.6deg),
        rgba(112, 66, 248, 0.15) calc(var(--progress, 0%) * 3.6deg),
        rgba(112, 66, 248, 0.15) 360deg
    );
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-main);
    box-shadow: 0 0 20px rgba(112, 66, 248, 0.3);
}

/* ──────────────────────────────────────────
 * MODERN FOOTER SYSTEM
 * ────────────────────────────────────────── */

footer {
    background: linear-gradient(
        180deg,
        rgba(3, 0, 14, 0.4) 0%,
        rgba(10, 0, 25, 0.8) 100%
    );
    border-top: 1px solid rgba(112, 66, 248, 0.2);
    padding: 4rem 2rem 2rem;
    margin-top: 6rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--space-purple-light);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 1.5rem;
    height: 2px;
    background: linear-gradient(90deg, var(--space-purple), var(--space-cyan));
}

.footer-section ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-section a {
    color: var(--text-muted);
    font-size: 0.875rem;
    transition: all 0.3s var(--ease-smooth);
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-section a:hover {
    color: var(--space-purple-light);
    transform: translateX(4px);
}

.footer-section a::before {
    transition: all 0.3s var(--ease-smooth);
}

.footer-section a:hover::before {
    box-shadow: 0 0 8px rgba(112, 66, 248, 0.4);
}

footer-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(112, 66, 248, 0.2), transparent);
    margin: 2rem 0;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(112, 66, 248, 0.15);
    font-size: 0.8rem;
    color: var(--text-muted);
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-credit {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.footer-credit a {
    color: var(--space-purple-light);
    transition: all 0.3s var(--ease-smooth);
}

.footer-credit a:hover {
    text-shadow: 0 0 8px rgba(112, 66, 248, 0.4);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-social a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(112, 66, 248, 0.3);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    transition: all 0.3s var(--ease-smooth);
    font-size: 1rem;
}

.footer-social a:hover {
    background: rgba(112, 66, 248, 0.15);
    border-color: rgba(112, 66, 248, 0.6);
    color: var(--space-purple-light);
    transform: translateY(-4px);
    box-shadow: 0 0 16px rgba(112, 66, 248, 0.3);
}

/* Responsive Footer */
@media (max-width: 768px) {
    footer {
        padding: 2rem 1.5rem 1rem;
        margin-top: 4rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-bottom: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer-social {
        justify-content: center;
    }
}