/* ============================================================
   AUTH MODAL — Login / Register UI
   Glassmorphism design, smooth animations
   ============================================================ */

/* ── Overlay ── */
.auth-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
    padding: 20px;
}
.auth-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* ── Modal Container ── */
.auth-modal {
    background: #fff;
    border-radius: 24px;
    width: 100%;
    max-width: 440px;
    box-shadow: 0 25px 60px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(255,255,255,0.1);
    transform: translateY(30px) scale(0.95);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
}
.auth-overlay.active .auth-modal {
    transform: translateY(0) scale(1);
}

/* ── Header ── */
.auth-header {
    padding: 32px 32px 0;
    text-align: center;
    position: relative;
}
.auth-header .auth-logo {
    width: 48px;
    height: 48px;
    margin: 0 auto 16px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}
.auth-header .auth-logo svg {
    color: #fff;
}
.auth-header h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 22px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 6px;
}
.auth-header p {
    font-size: 14px;
    color: #64748b;
    margin-bottom: 0;
}
.auth-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    border: none;
    background: #f1f5f9;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, transform 0.2s;
    color: #64748b;
}
.auth-close:hover {
    background: #e2e8f0;
    transform: rotate(90deg);
}

/* ── Tabs ── */
.auth-tabs {
    display: flex;
    margin: 24px 32px 0;
    border-radius: 12px;
    background: #f1f5f9;
    padding: 4px;
}
.auth-tab {
    flex: 1;
    padding: 10px 16px;
    text-align: center;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: #64748b;
    background: transparent;
    border: none;
    border-radius: 9px;
    cursor: pointer;
    transition: all 0.25s;
}
.auth-tab.active {
    background: #fff;
    color: #0f172a;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

/* ── Body (Forms) ── */
.auth-body {
    padding: 24px 32px 32px;
}
.auth-form {
    display: none;
}
.auth-form.active {
    display: block;
    animation: authFadeIn 0.3s ease;
}
@keyframes authFadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Input Groups ── */
.auth-input-group {
    margin-bottom: 16px;
}
.auth-input-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: #334155;
    margin-bottom: 6px;
    font-family: 'Inter', sans-serif;
}
.auth-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}
.auth-input-wrap .auth-input-icon {
    position: absolute;
    left: 14px;
    color: #94a3b8;
    pointer-events: none;
    transition: color 0.2s;
}
.auth-input-wrap input {
    width: 100%;
    padding: 12px 14px 12px 42px;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 15px;
    font-family: 'Inter', sans-serif;
    color: #0f172a;
    background: #fff;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}
.auth-input-wrap input:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}
.auth-input-wrap input:focus ~ .auth-input-icon,
.auth-input-wrap input:focus + .auth-input-icon {
    color: #3b82f6;
}
.auth-input-wrap input::placeholder {
    color: #94a3b8;
}

/* ── Password Toggle ── */
.auth-pass-toggle {
    position: absolute;
    right: 12px;
    background: none;
    border: none;
    cursor: pointer;
    color: #94a3b8;
    padding: 4px;
    transition: color 0.2s;
}
.auth-pass-toggle:hover {
    color: #3b82f6;
}

/* ── Submit Button ── */
.auth-submit {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 700;
    font-family: 'Inter', sans-serif;
    color: #fff;
    background: linear-gradient(135deg, #3b82f6, #6366f1);
    cursor: pointer;
    transition: all 0.25s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 8px;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}
.auth-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}
.auth-submit:active {
    transform: translateY(0);
}
.auth-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}
.auth-submit .auth-spinner {
    width: 18px;
    height: 18px;
    border: 2.5px solid rgba(255,255,255,0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: authSpin 0.6s linear infinite;
    display: none;
}
.auth-submit.loading .auth-spinner {
    display: block;
}
.auth-submit.loading .auth-btn-text {
    display: none;
}
@keyframes authSpin {
    to { transform: rotate(360deg); }
}

/* ── Error Message ── */
.auth-error {
    padding: 10px 14px;
    border-radius: 10px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
    font-size: 13px;
    margin-bottom: 16px;
    display: none;
    animation: authFadeIn 0.2s ease;
}
.auth-error.visible {
    display: block;
}

/* ── Success Message ── */
.auth-success {
    text-align: center;
    padding: 20px 0;
    display: none;
}
.auth-success.visible {
    display: block;
    animation: authFadeIn 0.3s ease;
}
.auth-success-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, #10b981, #059669);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.3);
    animation: authBounce 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}
@keyframes authBounce {
    0% { transform: scale(0); }
    60% { transform: scale(1.15); }
    100% { transform: scale(1); }
}
.auth-success h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 20px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 8px;
}
.auth-success p {
    font-size: 14px;
    color: #64748b;
}

/* ── Divider ── */
.auth-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 20px 0;
    font-size: 12px;
    color: #94a3b8;
}
.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: #e2e8f0;
}

/* ── User Bar (Logged-in state in header) ── */
.user-bar {
    display: flex;
    align-items: center;
    gap: 12px;
}
.user-bar .user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: linear-gradient(135deg, #3b82f6, #8b5cf6);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}
.user-bar .user-avatar:hover {
    transform: scale(1.08);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}
.user-bar .user-name {
    font-size: 14px;
    font-weight: 600;
    color: #0f172a;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ── User Dropdown ── */
.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.12), 0 0 0 1px rgba(0,0,0,0.04);
    min-width: 220px;
    padding: 8px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all 0.2s;
    z-index: 100;
}
.user-dropdown.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.user-dropdown a,
.user-dropdown button {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    padding: 10px 14px;
    border: none;
    background: none;
    border-radius: 10px;
    font-size: 14px;
    font-family: 'Inter', sans-serif;
    color: #334155;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s;
}
.user-dropdown a:hover,
.user-dropdown button:hover {
    background: #f1f5f9;
}
.user-dropdown .dropdown-divider {
    height: 1px;
    background: #e2e8f0;
    margin: 4px 8px;
}
.user-dropdown .logout-btn {
    color: #ef4444;
}
.user-dropdown .logout-btn:hover {
    background: #fef2f2;
}

/* ── Responsive ── */
@media (max-width: 480px) {
    .auth-modal {
        border-radius: 20px;
        max-width: 100%;
    }
    .auth-header, .auth-body, .auth-tabs {
        padding-left: 20px;
        padding-right: 20px;
    }
    .auth-tabs {
        margin-left: 20px;
        margin-right: 20px;
    }
    .user-bar .user-name {
        display: none;
    }
}