/**
 * ═══════════════════════════════════════════════════════════════════════════
 * LAYER 71: AUTHENTICATION & USER MANAGEMENT - STYLING
 * ═══════════════════════════════════════════════════════════════════════════
 */

/* ========== AUTH CONTAINER ========== */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: 2rem;
    position: relative;
    overflow: hidden;
}

.auth-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><circle cx="30" cy="30" r="1" fill="white" fill-opacity="0.1"/></svg>');
    opacity: 0.3;
}

.auth-box {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 3rem;
    width: 100%;
    max-width: 450px;
    position: relative;
    z-index: 1;
    animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.auth-title {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.auth-subtitle {
    color: #6b7280;
    font-size: 1rem;
}

/* ========== AUTH FORM ========== */
.auth-form {
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 600;
    color: #374151;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.form-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.form-input::placeholder {
    color: #9ca3af;
}

.form-input.error {
    border-color: #ef4444;
}

.form-error {
    color: #ef4444;
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: none;
}

.form-input.error+.form-error {
    display: block;
}

/* ========== CHECKBOX ========== */
.form-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    border: 2px solid #e5e7eb;
    border-radius: 4px;
    cursor: pointer;
}

.form-checkbox label {
    cursor: pointer;
    font-size: 0.875rem;
    color: #6b7280;
}

/* ========== SUBMIT BUTTON ========== */
.auth-submit {
    width: 100%;
    padding: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
}

.auth-submit::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.auth-submit:hover::before {
    width: 300px;
    height: 300px;
}

.auth-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(102, 126, 234, 0.4);
}

.auth-submit:active {
    transform: translateY(0);
}

.auth-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ========== AUTH LINKS ========== */
.auth-links {
    text-align: center;
    margin-top: 1.5rem;
}

.auth-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.auth-link:hover {
    color: #764ba2;
    text-decoration: underline;
}

.auth-divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 1.5rem 0;
    color: #9ca3af;
    font-size: 0.875rem;
}

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

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

/* ========== SOCIAL AUTH ========== */
.social-auth {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 1rem;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    color: #374151;
}

.social-btn:hover {
    border-color: #667eea;
    background: #f9fafb;
    transform: translateY(-2px);
}

.social-btn img {
    width: 20px;
    height: 20px;
}

/* ========== PROFILE PAGE ========== */
.profile-container {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 2rem;
}

.profile-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 24px;
    padding: 3rem;
    color: white;
    margin-bottom: 2rem;
    text-align: center;
}

.profile-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 4px solid white;
    margin: 0 auto 1rem;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: #667eea;
    font-weight: bold;
}

.profile-name {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.profile-role {
    opacity: 0.9;
    font-size: 1.125rem;
}

.profile-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
}

.profile-sidebar {
    background: white;
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.profile-nav {
    list-style: none;
}

.profile-nav li {
    margin-bottom: 0.5rem;
}

.profile-nav a {
    display: block;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    color: #6b7280;
    text-decoration: none;
    transition: all 0.3s ease;
    font-weight: 500;
}

.profile-nav a:hover,
.profile-nav a.active {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.profile-main {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.profile-section {
    margin-bottom: 2rem;
}

.profile-section:last-child {
    margin-bottom: 0;
}

.profile-section-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #1f2937;
}

/* ========== USER MENU (Header) ========== */
.user-menu {
    position: relative;
    display: inline-block;
}

.user-menu-trigger {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: inherit;
}

.user-menu-trigger:hover {
    background: rgba(255, 255, 255, 0.2);
}

.user-avatar-small {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: white;
    color: #667eea;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

.user-menu-dropdown {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 200px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
    display: none;
    z-index: 1000;
    overflow: hidden;
}

.user-menu.active .user-menu-dropdown {
    display: block;
    animation: fadeIn 0.3s ease-out;
}

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

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

.user-menu-dropdown a,
.user-menu-dropdown button {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    text-align: left;
    color: #374151;
    text-decoration: none;
    background: none;
    border: none;
    cursor: pointer;
    transition: background 0.3s ease;
    font-family: inherit;
    font-size: 0.875rem;
}

.user-menu-dropdown a:hover,
.user-menu-dropdown button:hover {
    background: #f3f4f6;
}

.user-menu-dropdown .divider {
    height: 1px;
    background: #e5e7eb;
    margin: 0.5rem 0;
}

/* ========== ALERTS ========== */
.auth-alert {
    padding: 1rem;
    border-radius: 12px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.875rem;
}

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

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

.auth-alert.warning {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fcd34d;
}

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

/* ========== LOADING STATE ========== */
.auth-loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
    .auth-box {
        padding: 2rem 1.5rem;
    }

    .auth-title {
        font-size: 1.75rem;
    }

    .profile-content {
        grid-template-columns: 1fr;
    }

    .social-auth {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .auth-container {
        padding: 1rem;
    }

    .auth-box {
        padding: 1.5rem 1rem;
    }

    .profile-header {
        padding: 2rem 1rem;
    }
}