/* Clean Confidence Login Page */

:root {
    /* Use same design tokens as dashboard */
    --color-base: 0, 0, 0;
    --color-white: 255, 255, 255;
    --color-primary: 0, 138, 67;
    --color-primary-dark: 0, 138, 67;

    --color-text-primary: rgba(var(--color-base), 0.95);
    --color-text-secondary: rgba(var(--color-base), 0.50);
    --color-bg-primary: rgba(var(--color-white), 1);
    --color-bg-secondary: rgba(var(--color-base), 0.03);
    --color-border-light: rgba(var(--color-base), 0.08);
    --color-border-medium: rgba(var(--color-base), 0.15);
    --color-primary-solid: rgb(var(--color-primary));
    --color-primary-dark-solid: rgb(var(--color-primary-dark));
    --color-shadow-sm: rgba(var(--color-base), 0.08);
    --color-shadow-md: rgba(var(--color-base), 0.15);

    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-container {
    width: 100%;
    max-width: 420px;
}

/* Login Card */
.login-card {
    background: var(--color-bg-primary);
    border-radius: var(--radius-lg);
    padding: 3rem 2.5rem;
    box-shadow: 0 4px 24px var(--color-shadow-md);
}

/* Logo Section */
.login-logo {
    text-align: center;
    margin-bottom: 2.5rem;
}

.login-logo h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary-solid);
    margin-bottom: 0.5rem;
}

.login-subtitle {
    font-size: 1rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* Error Message */
.error-message {
    background: #fee;
    border: 1px solid #fcc;
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: shake 0.3s ease-in-out;
}

.error-icon {
    font-size: 1.125rem;
}

.error-text {
    font-size: 0.875rem;
    color: #c33;
    font-weight: 500;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-8px); }
    75% { transform: translateX(8px); }
}

/* Form Styles */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.form-group input {
    width: 100%;
    padding: 0.875rem 1rem;
    font-size: 1rem;
    font-family: inherit;
    border: 2px solid var(--color-border-light);
    border-radius: var(--radius-md);
    background: var(--color-bg-primary);
    color: var(--color-text-primary);
    transition: all var(--transition-base);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary-solid);
    box-shadow: 0 0 0 3px rgba(var(--color-primary), 0.1);
}

.form-group input::placeholder {
    color: var(--color-text-secondary);
}

/* Login Button */
.login-button {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
    background: var(--color-primary-solid);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    box-shadow: 0 2px 8px rgba(var(--color-primary), 0.25);
    position: relative;
    margin-top: 0.5rem;
}

.login-button:hover {
    background: var(--color-primary-dark-solid);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--color-primary), 0.35);
}

.login-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 4px rgba(var(--color-primary), 0.25);
}

.login-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.button-text,
.button-loader {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* Loader Animation */
.loader {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

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

/* Footer Links */
.login-footer {
    text-align: center;
    margin-top: 1.5rem;
}

.forgot-password {
    font-size: 0.875rem;
    color: var(--color-primary-solid);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-base);
}

.forgot-password:hover {
    color: var(--color-primary-dark-solid);
    text-decoration: underline;
}

/* Page Footer */
.login-page-footer {
    text-align: center;
    margin-top: 2rem;
    padding: 0 1rem;
}

.login-page-footer p {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

/* Mobile Responsive */
@media (max-width: 480px) {
    body {
        padding: 1rem;
    }

    .login-card {
        padding: 2rem 1.5rem;
    }

    .login-logo h1 {
        font-size: 1.75rem;
    }
}