/* Login Page Styling - Warm and Bright Green Theme */
:root {
    --bg-primary: #f8fdfb;
    --bg-secondary: #2d6a4f;
    --bg-tertiary: #8ecaaf;
    --bg-light-green: #d8f3dc;
    --text-primary: #1b4332;
    --text-secondary: #048e4e;
    --text-tertiary: #f6fff8;
    --border-color: #b7e4c7;
    --success-color: #40916c;
    --error-color: #e63946;
    --shadow-sm: 0 4px 5px 0 rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 25px 0 rgba(45, 106, 79, 0.15);
    --radius: 12px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --transition: all 0.3s ease;
}

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

html, body {
    width: 100%;
    height: 100%;
}

body {
    font-family: "Segoe UI", Arial, Helvetica, sans-serif;
    background: linear-gradient(135deg, #f8fdfb 0%, #e8f5f0 100%);
    color: var(--text-primary);
    display: flex;
    justify-content: right;
    align-items: center;
    min-height: 100vh;
    padding: var(--spacing-md);
    background-image: url('static/img/background.jpg');
    background-size: cover;
    background-position: center;
}

.login-container {
    width: 100%;
    max-width: 420px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-right: 7vw;
    box-shadow: 0 10px 12px 0 rgba(45, 106, 79, 0.1);
}

.login-card {
    width: 100%;
    background: var(--text-tertiary);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    animation: slideUp 0.6s ease-out;
}

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

.login-header {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, #40916c 100%);
    color: var(--text-tertiary);
    padding: var(--spacing-lg);
    text-align: center;
    border-bottom: 4px solid var(--bg-tertiary);
}

.login-logo {
    width: 60px;
    height: 60px;
    object-fit: contain;
    margin-bottom: var(--spacing-sm);
    animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.login-header h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.5px;
}

.login-subtitle {
    font-size: 0.9rem;
    color: var(--bg-light-green);
    font-weight: 500;
    opacity: 0.95;
}

.login-form-wrapper {
    padding: var(--spacing-lg);
    position: relative;
}

.login-form,
.register-form {
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s ease;
    pointer-events: none;
}

.login-form.active,
.register-form.active {
    opacity: 1;
    max-height: 800px;
    pointer-events: auto;
}

.login-form h2,
.register-form h2 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--bg-light-green);
    transition: var(--transition);
    font-family: inherit;
}

.form-group input:focus {
    outline: none;
    border-color: var(--text-secondary);
    box-shadow: 0 0 0 3px rgba(4, 142, 78, 0.1);
    background: var(--text-tertiary);
}

.form-group input::placeholder {
    color: var(--text-primary);
    opacity: 0.6;
}

.form-actions {
    margin: var(--spacing-lg) 0 var(--spacing-md) 0;
}

.btn {
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
    display: inline-block;
}

.btn-primary {
    width: 100%;
    padding: 0.9rem;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, #40916c 100%);
    color: var(--text-tertiary);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #1b4332 0%, #2d6a4f 100%);
    box-shadow: 0 6px 15px rgba(45, 106, 79, 0.3);
    transform: translateY(-2px);
}

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

.btn-login,
.btn-register {
    position: relative;
    overflow: hidden;
}

.btn-link {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-weight: 600;
    cursor: pointer;
    padding: 0;
    text-decoration: underline;
    font-size: inherit;
    font-family: inherit;
    transition: color 0.2s ease;
}

.btn-link:hover {
    color: var(--bg-secondary);
}

.form-toggle {
    text-align: center;
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-top: var(--spacing-md);
}

.form-toggle p {
    margin: 0;
}

.error-message {
    color: var(--error-color);
    background: rgba(230, 57, 70, 0.1);
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-top: var(--spacing-md);
    font-size: 0.9rem;
    border-left: 4px solid var(--error-color);
    display: none;
    animation: slideIn 0.3s ease-out;
}

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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.btn-register {
    display: none;
}
.loading-spinner.show {
    display: block !important;
}

.login-footer {
    background: var(--bg-light-green);
    padding: var(--spacing-md);
    text-align: center;
    font-size: 0.85rem;
    color: var(--text-primary);
    border-top: 1px solid var(--border-color);
}

.login-footer p {
    margin: 0;
}

/* Responsive Design */
@media (max-width: 480px) {
    .login-card {
        border-radius: 8px;
    }

    .login-header {
        padding: var(--spacing-md);
    }

    .login-header h1 {
        font-size: 1.6rem;
    }

    .login-form-wrapper {
        padding: var(--spacing-md);
    }

    .login-logo {
        width: 50px;
        height: 50px;
    }
}

/* Success Animation */
@keyframes successPulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

.btn-primary.success {
    background: var(--success-color);
    animation: successPulse 0.6s ease;
}