/* public/css/theme.css - Central Theme Variables */
:root {
    /* ========== COLOR THEME ========== */
    /* Primary Colors - Green Theme */
    --color-primary-50: #f0fdf4;
    --color-primary-100: #dcfce7;
    --color-primary-200: #bbf7d0;
    --color-primary-300: #86efac;
    --color-primary-400: #4ade80;
    --color-primary-500: #22c55e;
    --color-primary-600: #16a34a;
    --color-primary-700: #15803d;
    --color-primary-800: #166534;
    --color-primary-900: #14532d;
    
    /* Status Colors */
    --color-success: #22c55e;
    --color-success-light: #dcfce7;
    --color-success-dark: #16a34a;
    
    --color-warning: #f59e0b;
    --color-warning-light: #fef3c7;
    --color-warning-dark: #d97706;
    
    --color-danger: #ef4444;
    --color-danger-light: #fee2e2;
    --color-danger-dark: #dc2626;
    
    --color-info: #3b82f6;
    --color-info-light: #dbeafe;
    --color-info-dark: #1d4ed8;
    
    /* Gray Scale */
    --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;
    
    /* ========== TYPOGRAPHY ========== */
    --font-family: 'Inter', sans-serif;
    --font-size-xs: 0.75rem;     /* 12px */
    --font-size-sm: 0.875rem;    /* 14px */
    --font-size-base: 1rem;      /* 16px */
    --font-size-lg: 1.125rem;    /* 18px */
    --font-size-xl: 1.25rem;     /* 20px */
    --font-size-2xl: 1.5rem;     /* 24px */
    --font-size-3xl: 1.875rem;   /* 30px */
    
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* ========== SPACING ========== */
    --spacing-xs: 0.25rem;   /* 4px */
    --spacing-sm: 0.5rem;    /* 8px */
    --spacing-md: 1rem;      /* 16px */
    --spacing-lg: 1.5rem;    /* 24px */
    --spacing-xl: 2rem;      /* 32px */
    --spacing-2xl: 3rem;     /* 48px */
    
    /* ========== BORDERS & SHADOWS ========== */
    --border-radius-sm: 0.25rem;   /* 4px */
    --border-radius-md: 0.5rem;    /* 8px */
    --border-radius-lg: 0.75rem;   /* 12px */
    --border-radius-xl: 1rem;      /* 16px */
    --border-radius-2xl: 1.5rem;   /* 24px */
    
    --border-width: 1px;
    --border-color: var(--color-gray-200);
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* ========== TRANSITIONS ========== */
    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;
    
    /* ========== COMPONENT VARIABLES ========== */
    --header-height: 4rem;
    --sidebar-width: 16rem;
    --container-max-width: 1200px;
}

/* Utility Classes */
.text-primary { color: var(--color-primary-600); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-danger { color: var(--color-danger); }
.text-gray { color: var(--color-gray-600); }

.bg-primary { background-color: var(--color-primary-500); }
.bg-success { background-color: var(--color-success); }
.bg-warning { background-color: var(--color-warning); }
.bg-danger { background-color: var(--color-danger); }
.bg-gray-50 { background-color: var(--color-gray-50); }

.border-primary { border-color: var(--color-primary-500); }
.border-success { border-color: var(--color-success); }
.border-warning { border-color: var(--color-warning); }
.border-danger { border-color: var(--color-danger); }

/* Common Base Styles */
body {
    font-family: var(--font-family);
    color: var(--color-gray-800);
    line-height: 1.5;
}

.btn-primary {
    background-color: var(--color-primary-600);
    border-color: var(--color-primary-600);
    color: white;
}

.btn-primary:hover {
    background-color: var(--color-primary-700);
    border-color: var(--color-primary-700);
}

.form-control:focus {
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 0.2rem rgba(34, 197, 94, 0.25);
}

.alert-success {
    background-color: var(--color-success-light);
    border-color: var(--color-success);
    color: var(--color-success-dark);
}

.alert-warning {
    background-color: var(--color-warning-light);
    border-color: var(--color-warning);
    color: var(--color-warning-dark);
}

.alert-danger {
    background-color: var(--color-danger-light);
    border-color: var(--color-danger);
    color: var(--color-danger-dark);
}

/* Animation Keyframes */
@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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

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

/* Add to theme.css in button section */
.btn-primary:focus {
    background-color: var(--color-primary-600);
    border-color: var(--color-primary-600);
    box-shadow: 0 0 0 0.2rem rgba(34, 197, 94, 0.25);
}

.btn-primary:active {
    background-color: var(--color-primary-700);
    border-color: var(--color-primary-700);
    opacity: 0.9;
    transform: translateY(1px);
}

.btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    background-color: var(--color-primary-600) !important;
    border-color: var(--color-primary-600) !important;
}

/* Common button base styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.875rem 1.5rem;
    border: none;
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
    height: 44px;
    min-width: 120px;
    outline: none;
    box-shadow: var(--shadow-sm);
}

/* Button colors based on theme */
.btn-primary {
    background-color: var(--color-primary-600);
    border: 2px solid var(--color-primary-600);
    color: white;
}

.btn-secondary {
    background-color: var(--color-gray-600);
    border: 2px solid var(--color-gray-600);
    color: white;
}

.btn-success {
    background-color: var(--color-success);
    border: 2px solid var(--color-success);
    color: white;
}

.btn-warning {
    background-color: var(--color-warning);
    border: 2px solid var(--color-warning);
    color: white;
}

.btn-danger {
    background-color: var(--color-danger);
    border: 2px solid var(--color-danger);
    color: white;
}

/* Hover state - minor color change */
.btn-primary:hover {
    background-color: var(--color-primary-700);
    border-color: var(--color-primary-700);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    background-color: var(--color-gray-700);
    border-color: var(--color-gray-700);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

/* Focus state */
.btn-primary:focus {
    box-shadow: 0 0 0 3px rgba(34, 197, 94, 0.3), var(--shadow-sm);
    outline: none;
}

/* Active/Pressed state - consistent fade animation */
.btn-primary:active {
    background-color: var(--color-primary-800);
    border-color: var(--color-primary-800);
    opacity: 0.9;
    transform: translateY(1px);
    box-shadow: var(--shadow-sm);
    transition: all 0.1s ease;
}

.btn-secondary:active {
    background-color: var(--color-gray-800);
    border-color: var(--color-gray-800);
    opacity: 0.9;
    transform: translateY(1px);
    box-shadow: var(--shadow-sm);
    transition: all 0.1s ease;
}

/* Disabled state */
.btn-primary:disabled {
    background-color: var(--color-primary-400);
    border-color: var(--color-primary-400);
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Button loading state */
.btn-loading {
    position: relative;
    color: transparent !important;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid white;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 1s linear infinite;
}

/* Modal button consistency with theme */
.modal-footer .btn-primary,
#emailVerificationModal .btn-primary,
#recoveryModal .btn-primary,
.modal .btn-primary {
    background-color: var(--color-primary-600) !important;
    border-color: var(--color-primary-600) !important;
    color: white !important;
}

.modal-footer .btn-primary:hover,
#emailVerificationModal .btn-primary:hover,
#recoveryModal .btn-primary:hover,
.modal .btn-primary:hover {
    background-color: var(--color-primary-700) !important;
    border-color: var(--color-primary-700) !important;
}

.modal-footer .btn-secondary,
#emailVerificationModal .btn-secondary,
#recoveryModal .btn-secondary,
.modal .btn-secondary {
    background-color: var(--color-gray-600) !important;
    border-color: var(--color-gray-600) !important;
    color: white !important;
}

.modal-footer .btn-secondary:hover,
#emailVerificationModal .btn-secondary:hover,
#recoveryModal .btn-secondary:hover,
.modal .btn-secondary:hover {
    background-color: var(--color-gray-700) !important;
    border-color: var(--color-gray-700) !important;
}