/**
 * Design System CSS
 * Tüm site için standart tasarım sistemi
 */

/* ============================================
   CSS VARIABLES (Design Tokens)
   ============================================ */
:root {
    /* Primary Brand Colors */
    --color-primary: #FFD93D;
    --color-primary-dark: #FFC700;
    --color-primary-light: #FFE066;
    --color-primary-lighter: #FFF4CC;
    
    /* Secondary Brand Colors */
    --color-secondary: #66CCCC;
    --color-secondary-dark: #4DB8B8;
    --color-secondary-light: #99DDDD;
    --color-secondary-lighter: #CCEEEE;
    
    /* Accent Colors */
    --color-accent: #9333ea;
    --color-accent-dark: #7c3aed;
    --color-accent-light: #a855f7;
    
    /* Status Colors */
    --color-success: #10b981;
    --color-success-light: #d1fae5;
    --color-warning: #f59e0b;
    --color-warning-light: #fef3c7;
    --color-error: #ef4444;
    --color-error-light: #fee2e2;
    --color-info: #3b82f6;
    --color-info-light: #dbeafe;
    
    /* Text Colors */
    --color-text-primary: #212121;
    --color-text-secondary: #6B7280;
    --color-text-muted: #9CA3AF;
    --color-text-light: #D1D5DB;
    --color-text-white: #FFFFFF;
    
    /* Background Colors */
    --color-bg-primary: #FFFFFF;
    --color-bg-secondary: #F9FAFB;
    --color-bg-tertiary: #F3F4F6;
    --color-bg-dark: #1F2937;
    
    /* Border Colors */
    --color-border-light: #E5E7EB;
    --color-border-medium: #D1D5DB;
    --color-border-dark: #9CA3AF;
    
    /* Spacing Scale */
    --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 */
    --spacing-3xl: 4rem;     /* 64px */
    
    /* Border Radius Scale */
    --radius-none: 0;
    --radius-sm: 0.25rem;    /* 4px */
    --radius-md: 0.5rem;     /* 8px */
    --radius-lg: 0.75rem;    /* 12px */
    --radius-xl: 1rem;       /* 16px */
    --radius-2xl: 1.5rem;    /* 24px */
    --radius-full: 9999px;
    
    /* Shadow Scale */
    --shadow-none: none;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.15);
    
    /* Typography Scale */
    --text-xs: 0.75rem;      /* 12px */
    --text-sm: 0.875rem;     /* 14px */
    --text-base: 1rem;       /* 16px */
    --text-lg: 1.125rem;     /* 18px */
    --text-xl: 1.25rem;      /* 20px */
    --text-2xl: 1.5rem;      /* 24px */
    --text-3xl: 1.875rem;    /* 30px */
    --text-4xl: 2.25rem;     /* 36px */
    --text-5xl: 3rem;        /* 48px */
    
    /* Breakpoints */
    --breakpoint-sm: 640px;
    --breakpoint-md: 768px;
    --breakpoint-lg: 1024px;
    --breakpoint-xl: 1280px;
    --breakpoint-2xl: 1536px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */

/* Color Utilities */
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.bg-primary { background-color: var(--color-primary); }
.bg-secondary { background-color: var(--color-secondary); }

/* Spacing Utilities */
.p-xs { padding: var(--spacing-xs); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }

.m-xs { margin: var(--spacing-xs); }
.m-sm { margin: var(--spacing-sm); }
.m-md { margin: var(--spacing-md); }
.m-lg { margin: var(--spacing-lg); }
.m-xl { margin: var(--spacing-xl); }

/* Border Radius Utilities */
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Shadow Utilities */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }
.shadow-2xl { box-shadow: var(--shadow-2xl); }

/* Typography Utilities */
.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }
.text-5xl { font-size: var(--text-5xl); }

/* Transition Utilities */
.transition-fast { transition: var(--transition-fast); }
.transition-normal { transition: var(--transition-normal); }
.transition-slow { transition: var(--transition-slow); }

/* Material Icons Sizes */
.material-icons.icon-xs { font-size: 12px; }
.material-icons.icon-sm { font-size: 16px; }
.material-icons.icon-md { font-size: 20px; }
.material-icons.icon-lg { font-size: 24px; }
.material-icons.icon-xl { font-size: 32px; }
.material-icons.icon-2xl { font-size: 48px; }
.material-icons.icon-3xl { font-size: 64px; }
.material-icons.icon-4xl { font-size: 80px; }

/* Property Card Icon Sizes */
.property-card .material-icons { font-size: 18px; }
.property-card-location .material-icons { font-size: 16px; }
.property-card-favorite .material-icons { font-size: 20px; }

/* Utility Classes */
.cursor-pointer { cursor: pointer; }
.absolute-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* ============================================
   COMPONENT STYLES
   ============================================ */

/* Button Base Styles */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
    outline: none;
}

.btn:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Card Base Styles */
.card {
    background-color: var(--color-bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-lg);
}

/* Form Input Base Styles */
.form-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border-medium);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    transition: var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 217, 61, 0.1);
}

/* Alert Base Styles */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 4px solid;
    margin-bottom: var(--spacing-md);
}

.alert-success {
    background-color: var(--color-success-light);
    border-color: var(--color-success);
    color: #065f46;
}

.alert-error {
    background-color: var(--color-error-light);
    border-color: var(--color-error);
    color: #991b1b;
}

.alert-warning {
    background-color: var(--color-warning-light);
    border-color: var(--color-warning);
    color: #92400e;
}

.alert-info {
    background-color: var(--color-info-light);
    border-color: var(--color-info);
    color: #1e40af;
}