@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

/* Modern Color System - SLT Mobitel Professional Theme */
:root {
    /* Primary Corporate Colors - SLT Mobitel */
    --primary-blue: #0056B3;
    /* A deep, trusted corporate blue */
    --primary-blue-light: #3378C6;
    --primary-blue-dark: #004494;

    --secondary-blue: #0088CC;
    --secondary-blue-light: #33A0D6;
    --secondary-blue-dark: #006B9E;

    --accent-green: #40A83A;
    /* Professional corporate green */
    --accent-green-light: #5EBC58;
    --accent-green-dark: #2F832A;

    --slt-green: #4DB848;
    --slt-green-light: #71C66D;
    --slt-green-dark: #3A9036;

    /* Professional Neutral Colors */
    --text-primary: #1E293B;
    /* Slate 800 - crisp readability */
    --text-secondary: #475569;
    /* Slate 600 */
    --text-light: #64748B;
    /* Slate 500 */
    --text-white: #FFFFFF;

    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    /* Slate 50 - clean, ultra-modern background */
    --bg-tertiary: #F1F5F9;
    /* Slate 100 */
    --bg-dark: #0F172A;
    /* Slate 900 */

    /* Glassmorphism Variables */
    --bg-glass: rgba(255, 255, 255, 0.85);
    --border-glass: rgba(255, 255, 255, 0.4);
    --shadow-glass: 0 4px 30px rgba(0, 0, 0, 0.05);

    --bg-overlay: rgba(255, 255, 255, 0.95);
    --bg-overlay-dark: rgba(15, 23, 42, 0.85);

    /* State Colors */
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    --info: #3B82F6;

    /* Shadows - Premium Depth */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.025);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);

    /* Border Radius - Premium Professional Cues */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;

    /* Transitions - Fluid Micro-interactions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-weight-light: 300;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Z-Index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}