/* ============================================
   Authentication Pages Stylesheet
   MISO Energy Dashboard - Phase 6
   ============================================ */

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Container */
.auth-container {
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    max-width: 480px;
    width: 100%;
    padding: 40px;
}

.auth-container.narrow {
    max-width: 420px;
}

/* Header */
.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header h1 {
    color: #2563eb;
    font-size: 28px;
    margin-bottom: 8px;
}

.auth-header p {
    color: #6b7280;
    font-size: 14px;
}

/* Forms */
.auth-form .form-group {
    margin-bottom: 20px;
}

.auth-form label {
    display: block;
    color: #374151;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 14px;
}

.auth-form .required {
    color: #ef4444;
}

.auth-form input[type="email"],
.auth-form input[type="password"],
.auth-form input[type="text"] {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.auth-form input:focus {
    outline: none;
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.auth-form input.success {
    border-color: #10b981;
}

/* Error Messages */
.error-message {
    color: #ef4444;
    font-size: 12px;
    margin-top: 4px;
    display: none;
}

.error-message.show {
    display: block;
}

/* Alert Messages */
.alert {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-size: 14px;
    display: none;
}

.alert.show {
    display: block;
}

.alert-error {
    background-color: #fee2e2;
    border: 1px solid #ef4444;
    color: #991b1b;
}

.alert-success {
    background-color: #d1fae5;
    border: 1px solid #10b981;
    color: #065f46;
}

.alert-info {
    background-color: #dbeafe;
    border: 1px solid #3b82f6;
    color: #1e40af;
}

.alert-warning {
    background-color: #fef3c7;
    border: 1px solid #f59e0b;
    color: #92400e;
}

/* Password Strength Indicator */
.password-strength {
    margin-top: 8px;
    height: 4px;
    background: #e5e7eb;
    border-radius: 2px;
    overflow: hidden;
}

.password-strength-bar {
    height: 100%;
    width: 0%;
    transition: width 0.3s, background-color 0.3s;
}

.password-strength-bar.weak {
    width: 33%;
    background-color: #ef4444;
}

.password-strength-bar.medium {
    width: 66%;
    background-color: #f59e0b;
}

.password-strength-bar.strong {
    width: 100%;
    background-color: #10b981;
}

.password-hint {
    font-size: 12px;
    color: #6b7280;
    margin-top: 4px;
}

/* Buttons */
.btn {
    width: 100%;
    padding: 14px;
    background-color: #2563eb;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn:hover:not(:disabled) {
    background-color: #1d4ed8;
}

.btn:disabled {
    background-color: #9ca3af;
    cursor: not-allowed;
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.3);
}

/* Loading spinner */
.loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid white;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.6s linear infinite;
    vertical-align: middle;
}

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

/* Links and helpers */
.forgot-password {
    text-align: right;
    margin-top: -10px;
    margin-bottom: 20px;
}

.forgot-password a {
    color: #2563eb;
    text-decoration: none;
    font-size: 14px;
}

.forgot-password a:hover {
    text-decoration: underline;
}

.text-center {
    text-align: center;
}

.text-link {
    color: #2563eb;
    text-decoration: none;
    font-weight: 600;
}

.text-link:hover {
    text-decoration: underline;
}

/* Divider */
.divider {
    margin: 24px 0;
    text-align: center;
    position: relative;
}

.divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #e5e7eb;
}

.divider span {
    background: white;
    padding: 0 12px;
    color: #6b7280;
    font-size: 14px;
    position: relative;
}

/* Footer */
.auth-footer {
    text-align: center;
    margin-top: 20px;
}

.auth-footer p {
    color: #6b7280;
    font-size: 14px;
    margin-bottom: 8px;
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 400px;
}

.toast {
    background: white;
    padding: 16px 20px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: flex-start;
    gap: 12px;
    animation: slideIn 0.3s ease-out;
    position: relative;
    overflow: hidden;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.toast-success {
    border-left: 4px solid #10b981;
}

.toast.toast-error {
    border-left: 4px solid #ef4444;
}

.toast.toast-info {
    border-left: 4px solid #3b82f6;
}

.toast.toast-warning {
    border-left: 4px solid #f59e0b;
}

.toast-icon {
    flex-shrink: 0;
    font-size: 20px;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    font-size: 14px;
    color: #111827;
    margin-bottom: 2px;
}

.toast-message {
    font-size: 13px;
    color: #6b7280;
}

.toast-close {
    background: none;
    border: none;
    color: #9ca3af;
    cursor: pointer;
    font-size: 18px;
    padding: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.toast-close:hover {
    color: #6b7280;
}

/* Progress bar for toast auto-dismiss */
.toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background-color: rgba(0, 0, 0, 0.1);
    animation: progress 5s linear forwards;
}

@keyframes progress {
    from {
        width: 100%;
    }
    to {
        width: 0%;
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .auth-container {
        padding: 30px 20px;
        max-width: 100%;
    }

    .auth-header h1 {
        font-size: 24px;
    }

    .toast-container {
        left: 20px;
        right: 20px;
        max-width: none;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }

    .auth-container {
        padding: 24px 16px;
    }

    .auth-header h1 {
        font-size: 22px;
    }

    .btn {
        padding: 12px;
        font-size: 15px;
    }
}

/* Print styles */
@media print {
    body {
        background: white;
    }

    .auth-container {
        box-shadow: none;
        max-width: 100%;
    }

    .btn,
    .toast-container {
        display: none;
    }
}