/* =====================================================
   Base Modal Styles - Updated for proper scrolling
   ===================================================== */

.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 10000;
    backdrop-filter: blur(4px);
    animation: fadeInModal 0.2s;
    padding: 40px 20px;
    overflow-y: auto;
    overflow-x: hidden;
}

@keyframes fadeInModal {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    background: white;
    padding: 40px;
    border-radius: 16px;
    max-width: 500px;
    width: 90%;
    max-height: calc(100vh - 40px);
    overflow-y: auto;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUpModal 0.3s;
    margin: auto;
}

@keyframes slideUpModal {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal .close {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 28px;
    font-weight: 300;
    color: #9ca3af;
    cursor: pointer;
    transition: all 0.2s;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
}

.modal .close:hover {
    color: #374151;
    background: #f3f4f6;
}

/* =====================================================
   Authentication Modal Styles
   ===================================================== */

/* Auth tabs */
.auth-tabs {
    display: flex;
    gap: 10px;
    border-bottom: 2px solid #e5e7eb;
    margin-bottom: 0;
}

.auth-tab {
    flex: 1;
    padding: 12px 20px;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    font-size: 16px;
    font-weight: 500;
    color: #6b7280;
    cursor: pointer;
    transition: all 0.2s;
}

.auth-tab:hover {
    color: #667eea;
}

.auth-tab.active {
    color: #667eea;
    border-bottom-color: #667eea;
}

/* Auth forms */
.auth-form {
    display: none;
    animation: fadeIn 0.3s;
}

.auth-form.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Form groups */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: 500;
    color: #374151;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.2s;
    box-sizing: border-box;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Social auth buttons */
.social-auth-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 20px;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    background: white;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.social-btn:hover {
    background: #f9fafb;
    border-color: #9ca3af;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.google-btn {
    color: #374151;
}

.github-btn {
    color: #24292e;
}

/* Divider */
.divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 25px 0;
    color: #9ca3af;
    font-size: 14px;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid #e5e7eb;
}

.divider span {
    padding: 0 15px;
}

/* Primary button */
.primary-btn {
    padding: 12px 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.primary-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.primary-btn:active {
    transform: translateY(0);
}

/* Auth messages */
.auth-message {
    display: none;
    padding: 12px 16px;
    border-radius: 8px;
    margin-top: 20px;
    font-size: 14px;
    animation: slideIn 0.3s;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-message.info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #93c5fd;
}

.auth-message.success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.auth-message.error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

/* =====================================================
   Plan Selection Modal Styles
   ===================================================== */

.plans-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 20px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.plan-card {
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 16px;
    padding: 32px 24px;
    position: relative;
    transition: all 0.3s;
}

.plan-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-color: #667eea;
}

.plan-card.featured {
    border-color: #667eea;
    box-shadow: 0 10px 40px rgba(102, 126, 234, 0.2);
}

.plan-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.plan-header {
    text-align: center;
    margin-bottom: 30px;
}

.plan-header h3 {
    font-size: 24px;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 10px;
}

.plan-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 5px;
}

.plan-price .price {
    font-size: 42px;
    font-weight: 800;
    color: #667eea;
}

.plan-price .period {
    font-size: 16px;
    color: #6b7280;
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 0 0 30px 0;
}

.plan-features li {
    padding: 12px 0;
    font-size: 15px;
    color: #4b5563;
    border-bottom: 1px solid #f3f4f6;
}

.plan-features li:last-child {
    border-bottom: none;
}

.plan-btn {
    width: 100%;
    padding: 14px 24px;
    border: none;
    border-radius: 10px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.plan-btn.primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.plan-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.plan-btn.secondary {
    background: white;
    color: #667eea;
    border: 2px solid #667eea;
}

.plan-btn.secondary:hover {
    background: #667eea;
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.3);
}

/* =====================================================
   User Profile Dropdown (for logged-in state)
   ===================================================== */

.user-profile {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    z-index: 99998;
}

.user-profile:hover {
    border-color: #667eea;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.1);
}

.user-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 13px;
    flex-shrink: 0;
    overflow: hidden;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-email {
    font-size: 14px;
    color: #374151;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 5px);
    right: 0;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    min-width: 200px;
    display: none;
    z-index: 99999;
    animation: slideDown 0.2s;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.user-dropdown.active {
    display: block;
}

.user-dropdown-item {
    padding: 12px 16px;
    font-size: 14px;
    color: #374151;
    cursor: pointer;
    transition: all 0.2s;
    border-bottom: 1px solid #f3f4f6;
    display: flex;
    align-items: center;
}

.user-dropdown-item:last-child {
    border-bottom: none;
}

.user-dropdown-item:hover {
    background: #f9fafb;
    color: #667eea;
}

.user-dropdown-item svg {
    flex-shrink: 0;
}

.user-dropdown-item.danger {
    color: #dc2626;
}

.user-dropdown-item.danger:hover {
    background: #fee2e2;
}

/* =====================================================
   Responsive Design
   ===================================================== */

@media (max-width: 1024px) {
    .plans-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .plan-price .price {
        font-size: 36px;
    }

    .social-btn {
        font-size: 14px;
    }

    .user-email {
        max-width: 100px;
    }
}

/* =====================================================
   Loading Spinner
   ===================================================== */

.loading-spinner {
    border: 3px solid #f3f4f6;
    border-top: 3px solid #667eea;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* =====================================================
   Modal Close Button
   ===================================================== */

.modal-close-btn {
    position: absolute;
    top: 16px;
    right: 16px;
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    font-size: 24px;
    color: #64748B;
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all 0.15s;
    z-index: 10;
}

.modal-close-btn:hover {
    background: #EF4444;
    border-color: #EF4444;
    color: white;
    transform: scale(1.05);
}