/* =====================================================
   ENHANCED HEADER STYLES
   ===================================================== */

.site-header {
    position: sticky;
    top: 0;
    height: 100px;
    background: var(--glass-bg);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-bottom: var(--border-width-thin) solid var(--glass-border);
    z-index: var(--z-sticky);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-2xl);
    gap: var(--space-xl);
}

.site-logo {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    cursor: pointer;
    transition: all var(--transition-base);
}

.site-logo:hover {
    transform: scale(1.02);
}

.site-logo-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    overflow: hidden;
    box-shadow: var(--shadow-neon-cyan), 0 0 30px rgba(0, 243, 255, 0.3);
    transition: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    animation: float 3s ease-in-out infinite;
    position: relative;
}

.site-logo-icon::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.site-logo-icon:hover::before {
    opacity: 1;
    animation: pulse-glow 1s ease-in-out infinite;
}

.site-logo-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.site-logo-icon:hover {
    transform: rotate(360deg) scale(1.1);
    box-shadow: var(--shadow-neon-magenta), 0 0 60px rgba(255, 0, 255, 0.6);
}

.site-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: var(--font-weight-black);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: pulse-glow 3s ease-in-out infinite;
    cursor: pointer;
    transition: all var(--transition-base);
    user-select: none;
    margin: 0;
    line-height: 1;
    white-space: nowrap;
}

.site-title:hover {
    letter-spacing: 0.18em;
    filter: brightness(1.2);
}

.site-title.color-shift {
    animation: color-shift 5s linear infinite, pulse-glow 3s ease-in-out infinite;
    -webkit-text-fill-color: currentColor;
    background: none;
    text-shadow:
        0 0 10px currentColor,
        0 0 20px currentColor,
        0 0 40px currentColor,
        0 0 80px currentColor;
}

/* =====================================================
   MODAL WINDOWS - UNIFIED STYLING
   ===================================================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(15px);
    z-index: var(--z-modal);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fade-in 0.3s ease;
    padding: var(--space-xl);
}

.modal-overlay {
    position: absolute;
    inset: 0;
    cursor: pointer;
}

.modal-content {
    position: relative;
    background: var(--glass-bg);
    backdrop-filter: blur(30px);
    border: var(--border-width-thin) solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-2xl);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-2xl), 0 0 60px rgba(0, 243, 255, 0.2);
    animation: scale-in 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 1;
}

.modal-content.large {
    max-width: 900px;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-xl);
    padding-bottom: var(--space-lg);
    border-bottom: var(--border-width-thin) solid var(--glass-border);
}

.modal-title {
    font-family: var(--font-display);
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
}

.modal-close {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--bg-elevated);
    border: var(--border-width-thin) solid var(--glass-border);
    color: var(--text-secondary);
    font-size: var(--font-size-2xl);
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
    transform: rotate(90deg);
    box-shadow: var(--shadow-neon-cyan);
}

.modal-body {
    margin-bottom: var(--space-xl);
}

.modal-footer {
    display: flex;
    gap: var(--space-md);
    justify-content: flex-end;
    padding-top: var(--space-lg);
    border-top: var(--border-width-thin) solid var(--glass-border);
}

.header-nav {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-left: auto;
}

.nav-link {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-display);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    position: relative;
    text-decoration: none;
}

.nav-icon {
    font-size: var(--font-size-2xl);
    transition: all var(--transition-base);
}

.nav-text {
    font-size: var(--font-size-xs);
}

.nav-link:hover {
    color: var(--accent-primary);
    background: var(--glass-bg);
}

.nav-link:hover .nav-icon {
    transform: scale(1.2);
}

.nav-link.active {
    color: var(--accent-primary);
    background: var(--bg-elevated);
}

.nav-link.active .nav-icon {
    animation: bounce 0.5s ease;
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-5px);
    }
}

/* Form Elements in Modals */
.form-group {
    margin-bottom: var(--space-lg);
}

.form-label {
    display: block;
    font-family: var(--font-display);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-input {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-elevated);
    border: var(--border-width-thin) solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 243, 255, 0.1), var(--shadow-neon-cyan);
    background: var(--bg-primary);
}

.form-input::placeholder {
    color: var(--text-muted);
}

.form-error {
    color: var(--neon-red);
    font-size: var(--font-size-sm);
    margin-top: var(--space-xs);
    display: none;
}

.form-error.active {
    display: block;
    animation: shake 0.3s ease;
}

.form-divider {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin: var(--space-xl) 0;
    color: var(--text-muted);
    font-size: var(--font-size-sm);
}

.form-divider::before,
.form-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--glass-border);
}

/* Social Login Buttons */
.social-login-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--glass-bg);
    border: var(--border-width-thin) solid var(--glass-border);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-social:hover {
    background: var(--bg-elevated);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-social svg {
    width: 24px;
    height: 24px;
}

/* Checkbox and Radio */
.form-checkbox {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
    user-select: none;
}

.form-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    border-radius: var(--radius-sm);
    border: var(--border-width-thin) solid var(--glass-border);
    background: var(--bg-elevated);
    cursor: pointer;
    transition: all var(--transition-base);
}

.form-checkbox input[type="checkbox"]:checked {
    background: var(--accent-primary);
    border-color: var(--accent-primary);
}

/* Link Styles in Modals */
.modal-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: var(--font-weight-semibold);
    transition: all var(--transition-base);
}

.modal-link:hover {
    color: var(--accent-secondary);
    text-decoration: underline;
}

/* Success/Error Messages */
.message-box {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-lg);
    display: none;
    animation: slide-in-down 0.3s ease;
}

.message-box.active {
    display: block;
}

.message-box.success {
    background: rgba(0, 255, 100, 0.1);
    border: var(--border-width-thin) solid rgba(0, 255, 100, 0.3);
    color: #00ff64;
}

.message-box.error {
    background: rgba(255, 0, 100, 0.1);
    border: var(--border-width-thin) solid rgba(255, 0, 100, 0.3);
    color: #ff0064;
}

/* Animations */
@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-10px);
    }

    75% {
        transform: translateX(10px);
    }
}

@keyframes slide-in-down {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}