/* ==========================================================================
   GLASSMORPHIC AUTHENTICATION MODAL STYLES
   ========================================================================== */

/* 1. Modal Overlay Backdrop */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(1, 3, 10, 0.65);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000; /* Float above navbar pull wire */
    opacity: 0;
    pointer-events: none;
    will-change: opacity;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.open {
    opacity: 1;
    pointer-events: auto;
}

/* 2. Glassmorphic Modal Container */
.modal-content {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 
        0 30px 60px rgba(0, 0, 0, 0.4),
        inset 0 1px 1px rgba(255, 255, 255, 0.15),
        inset 0 -10px 20px rgba(255, 255, 255, 0.01);
    border-radius: 28px;
    width: 92%;
    max-width: 440px;
    padding: 3rem 2.5rem;
    position: relative;
    transform: scale(0.9) translateY(20px);
    will-change: transform, opacity;
    transition: 
        transform 0.45s cubic-bezier(0.34, 1.56, 0.64, 1),
        opacity 0.4s ease;
    opacity: 0;
}

.modal-overlay.open .modal-content {
    transform: scale(1) translateY(0);
    opacity: 1;
}

/* Light Theme overrides */
[data-theme="light"] .modal-overlay {
    background: rgba(15, 23, 42, 0.35);
    backdrop-filter: blur(12px);
}

[data-theme="light"] .modal-content {
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 
        0 30px 60px rgba(15, 23, 42, 0.1),
        inset 0 1px 1px rgba(255, 255, 255, 0.9);
}

/* 3. Close Button */
.close-btn {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: transparent;
    border: none;
    color: var(--text-slate);
    font-size: 1.5rem;
    cursor: pointer;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.close-btn:hover {
    color: var(--text-white);
    background: rgba(255, 255, 255, 0.06);
}

[data-theme="light"] .close-btn:hover {
    color: #111827;
    background: rgba(0, 0, 0, 0.04);
}

/* 4. Content Formatting */
.auth-box h2 {
    font-family: var(--font-jakarta);
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 0.5rem;
    text-align: center;
    color: var(--text-white);
}

[data-theme="light"] .auth-box h2 {
    color: #111827;
}

.auth-box .subtitle {
    font-size: 0.9rem;
    color: var(--text-slate);
    text-align: center;
    margin-bottom: 2rem;
}

/* Form Controls */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.form-group label {
    font-family: var(--font-jakarta);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-slate);
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.form-group input {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    color: var(--text-white);
    font-family: var(--font-jakarta);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

[data-theme="light"] .form-group input {
    background: rgba(15, 23, 42, 0.02);
    border-color: rgba(15, 23, 42, 0.08);
    color: #111827;
}

.form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.25);
    background: rgba(255, 255, 255, 0.05);
}

[data-theme="light"] .form-group input:focus {
    background: #ffffff;
    box-shadow: 0 0 12px rgba(99, 102, 241, 0.15);
}

/* Error/Feedback Container */
.error-msg {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #EF4444;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.65rem 1rem;
    border-radius: 10px;
    margin-bottom: 1.25rem;
    text-align: center;
}

/* Google Branded Button */
.btn-google {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    width: 100%;
    padding: 0.75rem;
    font-family: var(--font-jakarta);
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-white) !important;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

[data-theme="light"] .btn-google {
    background: #ffffff;
    border-color: rgba(15, 23, 42, 0.1);
    color: #4B5563 !important;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
}

.btn-google:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(255, 255, 255, 0.18);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

[data-theme="light"] .btn-google:hover {
    background: #f9fafb;
    border-color: rgba(15, 23, 42, 0.15);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.04);
}

/* Divider formatting */
.auth-divider {
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin: 1.5rem 0;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

[data-theme="light"] .auth-divider::before,
[data-theme="light"] .auth-divider::after {
    border-bottom-color: rgba(15, 23, 42, 0.08);
}

.auth-divider span {
    padding: 0 1rem;
}

/* Footer mode toggle styling */
.auth-toggle-text {
    font-size: 0.85rem;
    color: var(--text-slate);
    text-align: center;
    margin-top: 1.5rem;
}

.auth-toggle-text span {
    color: var(--primary);
    font-weight: 700;
    cursor: pointer;
    text-decoration: underline;
    transition: color 0.2s ease;
}

.auth-toggle-text span:hover {
    color: var(--accent);
}

/* Responsive adjustments */
@media (max-width: 480px) {
    .modal-content {
        padding: 2.2rem 1.5rem;
    }
}