/* Global Styles and Dark Theme Variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Dark Green Theme Colors */
    --bg-primary: #0d2818;
    --bg-secondary: #1a3d2e;
    --bg-tertiary: #0f4c3a;
    --text-primary: #e8f5e8;
    --text-secondary: #b8d4b8;
    --text-muted: #8fa68f;
    --accent-primary: #66bb6a;
    --accent-secondary: #4caf50;
    --accent-success: #81c784;
    --accent-error: #ff8a80;
    --border-primary: rgba(102, 187, 106, 0.15);
    --border-secondary: rgba(102, 187, 106, 0.25);
    --glass-bg: rgba(102, 187, 106, 0.08);
    --glass-border: rgba(102, 187, 106, 0.15);
    --shadow-primary: 0 20px 40px rgba(0, 0, 0, 0.4);
    --shadow-accent: 0 5px 15px rgba(102, 187, 106, 0.35);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-tertiary) 100%);
    color: var(--text-primary);
    min-height: 100vh;
    line-height: 1.6;
}

/* Common Navigation Link Styles */
.nav-link {
    padding: 12px 20px;
    text-decoration: none;
    color: var(--text-primary);
    background: var(--glass-bg);
    border: 1px solid var(--border-secondary);
    border-radius: 25px;
    transition: all 0.3s ease;
    cursor: pointer;
    font-family: inherit;
    font-size: 14px;
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link:hover {
    background: rgba(102, 187, 106, 0.25);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

.nav-link.primary {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: white;
    border-color: var(--accent-primary);
}

.nav-link.primary:hover {
    background: linear-gradient(135deg, var(--accent-secondary) 0%, #2e7d32 100%);
    box-shadow: 0 5px 20px rgba(102, 187, 106, 0.45);
}

/* Common Button Styles */
.btn {
    display: inline-block;
    padding: 15px 30px;
    font-size: 1.1rem;
    text-decoration: none;
    border-radius: 30px;
    transition: all 0.3s ease;
    font-weight: 600;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: white;
    box-shadow: 0 10px 30px rgba(102, 187, 106, 0.35);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(102, 187, 106, 0.45);
}

.btn-secondary {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-secondary);
}

.btn-secondary:hover {
    background: var(--glass-bg);
    border-color: var(--accent-primary);
    transform: translateY(-3px);
}

/* Glass Card Effect */
.glass-card {
    background: var(--glass-bg);
    border-radius: 15px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(15px);
    box-shadow: var(--shadow-primary);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

/* Form Styles */
.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-input {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-secondary);
    border-radius: 8px;
    font-size: 16px;
    box-sizing: border-box;
    background: var(--glass-bg);
    color: var(--text-primary);
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px rgba(102, 187, 106, 0.3);
    background: rgba(102, 187, 106, 0.12);
}

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

/* Error and Success States */
.error {
    background: rgba(244, 67, 54, 0.1);
    color: var(--accent-error);
    padding: 12px;
    border-radius: 8px;
    border: 1px solid rgba(244, 67, 54, 0.3);
    margin-bottom: 15px;
}

.success {
    background: rgba(129, 199, 132, 0.1);
    color: var(--accent-success);
    padding: 12px;
    border-radius: 8px;
    border: 1px solid rgba(129, 199, 132, 0.3);
    margin-bottom: 15px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .btn {
        width: 100%;
        max-width: 250px;
    }
    
    .nav-link {
        justify-content: center;
    }
}