/* Modern Authentication Pages - Material Design 3 */

/* Color System */
:root {
    /* ELTAN Brand Colors */
    --eltan-orange: #E67918;
    --eltan-orange-light: #FF8F35;
    --eltan-orange-dark: #CC6A15;
    --eltan-blue: #1565C0;
    --eltan-teal: #00796B;

    /* Neutral Colors */
    --color-white: #FFFFFF;
    --color-gray-50: #F8F9FA;
    --color-gray-100: #F1F3F4;
    --color-gray-200: #E8EAED;
    --color-gray-300: #DADCE0;
    --color-gray-400: #BDC1C6;
    --color-gray-500: #9AA0A6;
    --color-gray-600: #80868B;
    --color-gray-700: #5F6368;
    --color-gray-800: #3C4043;
    --color-gray-900: #202124;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Transitions */
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    color: var(--color-gray-900);
    background: var(--color-gray-50);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Auth Container */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, rgba(230, 121, 24, 0.05) 0%, rgba(21, 101, 192, 0.05) 100%);
}

.auth-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: 1200px;
    width: 100%;
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    overflow: hidden;
}

/* Left Side - Form */
.auth-form-side {
    padding: var(--spacing-3xl) var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.auth-logo {
    margin-bottom: var(--spacing-xl);
}

.auth-logo img {
    width: 80px;
    height: auto;
}

.auth-header {
    margin-bottom: var(--spacing-xl);
}

.auth-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.auth-subtitle {
    font-size: 1rem;
    color: var(--color-gray-600);
}

/* Form Styles */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-gray-700);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.form-label .material-icons {
    font-size: 18px;
    color: var(--eltan-orange);
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    font-family: inherit;
    color: var(--color-gray-900);
    background: var(--color-white);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    outline: none;
}

.form-input:focus {
    border-color: var(--eltan-orange);
    box-shadow: 0 0 0 3px rgba(230, 121, 24, 0.1);
}

.form-input::placeholder {
    color: var(--color-gray-400);
}

.form-input.error {
    border-color: #DC2626;
}

.form-error {
    font-size: 0.875rem;
    color: #DC2626;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.form-error .material-icons {
    font-size: 16px;
}

/* Form Select */
.form-select {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    font-family: inherit;
    color: var(--color-gray-900);
    background: var(--color-white);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    outline: none;
    cursor: pointer;
}

.form-select:focus {
    border-color: var(--eltan-orange);
    box-shadow: 0 0 0 3px rgba(230, 121, 24, 0.1);
}

/* Checkbox */
.form-checkbox {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.form-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--eltan-orange);
}

.form-checkbox label {
    font-size: 0.875rem;
    color: var(--color-gray-700);
    cursor: pointer;
}

/* Buttons */
.btn-primary {
    width: 100%;
    padding: 14px 24px;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    color: var(--color-white);
    background: linear-gradient(135deg, var(--eltan-orange) 0%, var(--eltan-orange-dark) 100%);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-primary .material-icons {
    font-size: 20px;
}

/* Links */
.auth-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.auth-link {
    font-size: 0.875rem;
    color: var(--color-gray-600);
    text-decoration: none;
    transition: var(--transition-base);
}

.auth-link strong {
    color: var(--eltan-orange);
    font-weight: 600;
}

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

.auth-divider {
    margin: var(--spacing-lg) 0;
    text-align: center;
    position: relative;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--color-gray-300);
}

.auth-divider span {
    position: relative;
    background: var(--color-white);
    padding: 0 var(--spacing-md);
    color: var(--color-gray-500);
    font-size: 0.875rem;
}

/* Right Side - Illustration */
.auth-illustration-side {
    background: linear-gradient(135deg, var(--eltan-orange) 0%, var(--eltan-blue) 100%);
    padding: var(--spacing-3xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.auth-illustration-side::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: rotate 30s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.illustration-content {
    position: relative;
    z-index: 1;
}

.illustration-icon {
    width: 120px;
    height: 120px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-xl);
    backdrop-filter: blur(10px);
}

.illustration-icon .material-icons {
    font-size: 64px;
    color: var(--color-white);
}

.illustration-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.illustration-text {
    font-size: 1.125rem;
    line-height: 1.6;
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

.illustration-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    text-align: left;
    width: 100%;
    max-width: 400px;
}

.illustration-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
}

.illustration-feature .material-icons {
    font-size: 24px;
    color: var(--color-white);
}

.illustration-feature-text {
    font-size: 0.875rem;
    font-weight: 500;
}

/* Alert Messages */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
}

.alert-success {
    background: #D1FAE5;
    color: #065F46;
    border: 1px solid #34D399;
}

.alert-error {
    background: #FEE2E2;
    color: #991B1B;
    border: 1px solid #F87171;
}

.alert-info {
    background: #DBEAFE;
    color: #1E40AF;
    border: 1px solid #60A5FA;
}

.alert .material-icons {
    font-size: 20px;
}

/* Back to Home Link */
.back-home {
    position: absolute;
    top: var(--spacing-lg);
    left: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--eltan-orange);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.875rem;
    transition: var(--transition-base);
}

.back-home:hover {
    transform: translateX(-4px);
}

.back-home .material-icons {
    font-size: 20px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .auth-wrapper {
        grid-template-columns: 1fr;
    }

    .auth-illustration-side {
        display: none;
    }

    .auth-form-side {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }
}

@media (max-width: 640px) {
    .auth-container {
        padding: var(--spacing-md);
    }

    .auth-wrapper {
        border-radius: var(--radius-xl);
    }

    .auth-form-side {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .auth-title {
        font-size: 1.5rem;
    }

    .illustration-title {
        font-size: 1.5rem;
    }
}

/* Loading State */
.btn-primary.loading {
    opacity: 0.7;
    cursor: not-allowed;
    position: relative;
}

.btn-primary.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin: -8px 0 0 -8px;
    border: 2px solid var(--color-white);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* Password Strength Indicator */
.password-strength {
    margin-top: var(--spacing-xs);
    display: flex;
    gap: var(--spacing-xs);
}

.password-strength-bar {
    flex: 1;
    height: 4px;
    background: var(--color-gray-200);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

.password-strength-bar.active {
    background: var(--eltan-orange);
}

.password-strength-bar.weak {
    background: #DC2626;
}

.password-strength-bar.medium {
    background: #F59E0B;
}

.password-strength-bar.strong {
    background: #10B981;
}

/* Form Helper Text */
.form-helper {
    font-size: 0.75rem;
    color: var(--color-gray-500);
    margin-top: var(--spacing-xs);
}

/* Crispy Forms Override - Material Design */
.form-control,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="number"],
input[type="url"],
textarea {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    font-family: inherit;
    color: var(--color-gray-900);
    background: var(--color-white);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    outline: none;
}

.form-control:focus,
input[type="text"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
input[type="tel"]:focus,
input[type="number"]:focus,
input[type="url"]:focus,
textarea:focus {
    border-color: var(--eltan-orange);
    box-shadow: 0 0 0 3px rgba(230, 121, 24, 0.1);
    background: var(--color-white);
}

select,
.form-select {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    font-family: inherit;
    color: var(--color-gray-900);
    background: var(--color-white);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    transition: var(--transition-base);
    outline: none;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%235F6368' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
    appearance: none;
}

select:focus,
.form-select:focus {
    border-color: var(--eltan-orange);
    box-shadow: 0 0 0 3px rgba(230, 121, 24, 0.1);
}

/* Placeholder styling */
.form-control::placeholder,
input::placeholder,
textarea::placeholder {
    color: var(--color-gray-400);
    opacity: 1;
}

/* Disabled state */
.form-control:disabled,
input:disabled,
select:disabled,
textarea:disabled {
    background: var(--color-gray-100);
    color: var(--color-gray-500);
    cursor: not-allowed;
}

/* Invalid state */
.form-control.is-invalid,
input.is-invalid,
select.is-invalid,
textarea.is-invalid,
.error input,
.error select,
.error textarea {
    border-color: #DC2626;
}

.invalid-feedback,
.error .help-block {
    font-size: 0.875rem;
    color: #DC2626;
    margin-top: var(--spacing-xs);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* Valid state */
.form-control.is-valid,
input.is-valid,
select.is-valid {
    border-color: #10B981;
}

/* Django crispy forms specific */
.django-ckeditor-widget {
    width: 100%;
}

/* Remove default Bootstrap styling */
.form-group {
    margin-bottom: 0 !important;
}

/* Help text */
.form-text,
.help-block,
small.form-text {
    font-size: 0.75rem;
    color: var(--color-gray-500);
    margin-top: var(--spacing-xs);
    display: block;
}

/* Required field indicator */
.form-label .asteriskField {
    color: #DC2626;
    margin-left: 4px;
}

/* Checkbox and Radio */
input[type="checkbox"],
input[type="radio"] {
    width: 20px;
    height: 20px;
    margin-right: var(--spacing-sm);
    cursor: pointer;
    accent-color: var(--eltan-orange);
}

/* File input */
input[type="file"] {
    padding: 12px 16px;
    border: 2px dashed var(--color-gray-300);
    border-radius: var(--radius-lg);
    background: var(--color-gray-50);
    cursor: pointer;
    transition: var(--transition-base);
}

input[type="file"]:hover {
    border-color: var(--eltan-orange);
    background: rgba(230, 121, 24, 0.05);
}

/* Textarea specific */
textarea {
    min-height: 120px;
    resize: vertical;
}

/* Remove spinners from number inputs */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

input[type="number"] {
    -moz-appearance: textfield;
}

/* Auto-fill styling */
input:-webkit-autofill,
input:-webkit-autofill:hover,
input:-webkit-autofill:focus {
    -webkit-box-shadow: 0 0 0 30px var(--color-white) inset !important;
    -webkit-text-fill-color: var(--color-gray-900) !important;
    transition: background-color 5000s ease-in-out 0s;
}

/* Label styling for Django forms */
label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-gray-700);
    font-size: 0.875rem;
}

/* Error list styling */
ul.errorlist {
    list-style: none;
    padding: 0;
    margin: var(--spacing-xs) 0 0 0;
}

ul.errorlist li {
    font-size: 0.875rem;
    color: #DC2626;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
}

ul.errorlist li::before {
    content: '⚠';
    font-size: 16px;
}

/* Non-field errors */
.alert-danger,
.nonfield {
    background: #FEE2E2;
    color: #991B1B;
    border: 1px solid #F87171;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}

/* Success messages */
.alert-success {
    background: #D1FAE5;
    color: #065F46;
    border: 1px solid #34D399;
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-lg);
}