/* Login Page Custom Styles - Clean White Edition */
:root {
    /* Colors from app.css */
    --color-primary: #7c4fa0;
    --color-primary-dark: #6f4690;
    --color-primary-light: #9b6cc0;
    --color-secondary: #ff6b6b;
    --color-secondary-dark: #e05050;
    --color-accent: #4ecdc4;
    --color-white: #ffffff;
    --color-black: #000000;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    --color-red-100: #fee2e2;
    --color-red-500: #ef4444;
    --color-red-700: #b91c1c;
    --color-green-100: #dcfce7;
    --color-green-500: #22c55e;
    --color-green-700: #15803d;

    /* Typography */
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
}

/* Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

body {
    font-family: var(--font-family);
    color: var(--color-gray-900);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-color: var(--color-white);
    position: relative;
}

.login-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    position: relative;
    justify-content: center;
    align-items: center;
    padding: 2rem;
}

.login-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    max-width: 1200px;
    position: relative;
    z-index: 1;
}

.login-card {
    background: var(--color-white);
    border-radius: 16px;
    box-shadow: 0 8px 30px rgba(124, 79, 160, 0.3);
    width: 100%;
    max-width: 400px;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    animation: fadeIn 0.8s ease-out;
    border: 1px solid rgba(124, 79, 160, 0.1);
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
}

.login-card__header {
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.login-card__title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

.login-card__subtitle {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    position: relative;
    display: inline-block;
}

.login-card__subtitle::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 2px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
}

.login-form__alert {
    padding: 0.75rem 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-size: var(--font-size-sm);
    animation: fadeIn 0.5s ease-out;
}

.login-form__alert--error {
    background-color: var(--color-red-100);
    color: var(--color-red-700);
    border-left: 4px solid var(--color-red-500);
}

.login-form__alert--success {
    background-color: var(--color-green-100);
    color: var(--color-green-700);
    border-left: 4px solid var(--color-green-500);
}

.login-form__alert p {
    margin-bottom: 0.25rem;
}

.login-form__alert p:last-child {
    margin-bottom: 0;
}

.login-form__group {
    margin-bottom: 1.5rem;
    position: relative;
    transition: all 0.3s ease;
}

.login-form__label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-700);
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
    transform-origin: left;
}

.login-form__input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--color-gray-900);
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-300);
    border-radius: 8px;
    transition: all 0.3s ease;
}

.login-form__input:focus {
    border-color: var(--color-primary);
    outline: 0;
    box-shadow: 0 0 0 4px rgba(124, 79, 160, 0.15);
}

.login-form__input.is-invalid {
    border-color: var(--color-red-500);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23ef4444' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'%3E%3C/circle%3E%3Cline x1='12' y1='8' x2='12' y2='12'%3E%3C/line%3E%3Cline x1='12' y1='16' x2='12.01' y2='16'%3E%3C/line%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 20px 20px;
    padding-right: 40px;
}

.login-form__error {
    display: block;
    color: var(--color-red-500);
    font-size: var(--font-size-sm);
    margin-top: 0.5rem;
    animation: fadeIn 0.3s ease-out;
}

.login-form__options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.login-form__remember {
    display: flex;
    align-items: center;
}

.login-form__checkbox {
    position: relative;
    width: 18px;
    height: 18px;
    margin-right: 0.5rem;
    -webkit-appearance: none;
    appearance: none;
    border: 2px solid var(--color-gray-400);
    border-radius: 4px;
    outline: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.login-form__checkbox:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.login-form__checkbox:checked::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 5px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.login-form__checkbox:focus {
    box-shadow: 0 0 0 3px rgba(124, 79, 160, 0.25);
}

.login-form__forgot {
    color: var(--color-primary);
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: all 0.2s ease;
    position: relative;
}

.login-form__forgot::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-primary);
    transition: width 0.3s ease;
}

.login-form__forgot:hover {
    color: var(--color-primary-dark);
}

.login-form__forgot:hover::after {
    width: 100%;
}

.login-form__button {
    display: block;
    width: 100%;
    padding: 0.875rem 1.5rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    text-align: center;
    color: var(--color-white);
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.login-form__button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: all 0.5s ease;
    z-index: -1;
}

.login-form__button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(124, 79, 160, 0.4);
}

.login-form__button:hover::before {
    left: 100%;
}

.login-form__button:active {
    transform: translateY(0);
    box-shadow: 0 3px 8px rgba(124, 79, 160, 0.3);
}

.login-form__button:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    background: linear-gradient(90deg, var(--color-gray-400), var(--color-gray-500));
}

.login-form__button-loader {
    display: inline-block;
    width: 1.2rem;
    height: 1.2rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--color-white);
    animation: spin 1s linear infinite;
    margin-right: 0.5rem;
    vertical-align: middle;
}

.login-card__footer {
    margin-top: 2rem;
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    position: relative;
    padding-top: 1.5rem;
}

.login-card__footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-gray-300), transparent);
}

.login-card__link {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    position: relative;
    display: inline-flex;
    align-items: center;
}

.login-card__link svg {
    margin-right: 0.5rem;
    transition: transform 0.2s ease;
}

.login-card__link:hover svg {
    transform: translateX(-3px);
}

.login-card__link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width 0.3s ease;
}

.login-card__link:hover {
    color: var(--color-primary-dark);
}

.login-card__link:hover::after {
    width: 100%;
}

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

/* Responsive adjustments */
@media (max-width: 480px) {
    .login-card {
        padding: 2rem 1.5rem;
        margin: 0 1rem;
    }
    
    .login-form__options {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .login-form__forgot {
        margin-top: 0.75rem;
    }
}