/* ESS Portal Design Tokens */

:root {
  /* Primary - Brand Blue Purple */
  --ess-color-primary-50: #f0f1f9;
  --ess-color-primary-100: #e1e3f3;
  --ess-color-primary-200: #c3c7e7;
  --ess-color-primary-300: #a5abdb;
  --ess-color-primary-400: #6a74b4;
  --ess-color-primary-500: #2e3386;   /* Brand color */
  --ess-color-primary-600: #252969;
  --ess-color-primary-700: #1c1f4d;
  --ess-color-primary-800: #131532;
  --ess-color-primary-900: #0a0b19;

  /* Primary aliases for common use */
  --ess-color-primary: var(--ess-color-primary-500);
  --ess-color-primary-light: var(--ess-color-primary-400);
  --ess-color-primary-dark: var(--ess-color-primary-600);
  --ess-color-primary-contrast: #ffffff;

  /* Success - Green */
  --ess-color-success-50: #f0fdf4;
  --ess-color-success-100: #dcfce7;
  --ess-color-success-200: #bbf7d0;
  --ess-color-success-500: #22c55e;
  --ess-color-success-600: #16a34a;
  --ess-color-success-700: #15803d;
  --ess-color-success: var(--ess-color-success-500);
  --ess-color-success-contrast: #ffffff;

  /* Warning - Amber */
  --ess-color-warning-50: #fffbeb;
  --ess-color-warning-100: #fef3c7;
  --ess-color-warning-200: #fde68a;
  --ess-color-warning-500: #f59e0b;
  --ess-color-warning-600: #d97706;
  --ess-color-warning-700: #b45309;
  --ess-color-warning: var(--ess-color-warning-500);
  --ess-color-warning-contrast: #ffffff;

  /* Error/Danger - Red */
  --ess-color-error-50: #fef2f2;
  --ess-color-error-100: #fee2e2;
  --ess-color-error-200: #fecaca;
  --ess-color-error-500: #ef4444;
  --ess-color-error-600: #dc2626;
  --ess-color-error-700: #b91c1c;
  --ess-color-error: var(--ess-color-error-500);
  --ess-color-error-contrast: #ffffff;

  /* Info - Blue */
  --ess-color-info-50: #eff6ff;
  --ess-color-info-100: #dbeafe;
  --ess-color-info-200: #bfdbfe;
  --ess-color-info-500: #3b82f6;
  --ess-color-info-600: #2563eb;
  --ess-color-info-700: #1d4ed8;
  --ess-color-info: var(--ess-color-info-500);
  --ess-color-info-contrast: #ffffff;

  /* Neutral Palette (Grays) */
  --ess-color-gray-50: #f9fafb;
  --ess-color-gray-100: #f3f4f6;
  --ess-color-gray-200: #e5e7eb;
  --ess-color-gray-300: #d1d5db;
  --ess-color-gray-400: #9ca3af;
  --ess-color-gray-500: #6b7280;
  --ess-color-gray-600: #4b5563;
  --ess-color-gray-700: #374151;
  --ess-color-gray-800: #1f2937;
  --ess-color-gray-900: #111827;

  /* Surface Colors (Backgrounds) */
  --ess-color-surface-primary: #ffffff;
  --ess-color-surface-secondary: var(--ess-color-gray-50);
  --ess-color-surface-tertiary: var(--ess-color-gray-100);
  --ess-color-surface-elevated: #ffffff;
  --ess-color-surface-overlay: rgba(0, 0, 0, 0.5);

  /* Text Colors */
  --ess-color-text-primary: var(--ess-color-gray-900);
  --ess-color-text-secondary: var(--ess-color-gray-600);
  --ess-color-text-tertiary: var(--ess-color-gray-500);
  --ess-color-text-disabled: var(--ess-color-gray-400);
  --ess-color-text-inverse: #ffffff;
  --ess-color-text-link: var(--ess-color-primary);
  --ess-color-text-link-hover: var(--ess-color-primary-dark);

  /* Border Colors */
  --ess-color-border-default: var(--ess-color-gray-200);
  --ess-color-border-strong: var(--ess-color-gray-300);
  --ess-color-border-subtle: var(--ess-color-gray-100);
  --ess-color-border-focus: var(--ess-color-primary);
  --ess-color-border-error: var(--ess-color-error);
  --ess-color-border-success: var(--ess-color-success);

  /* Font Families */
  --ess-font-family-base: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  --ess-font-family-heading: var(--ess-font-family-base);
  --ess-font-family-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;

  /* Font Sizes */
  --ess-font-size-xs: 0.75rem;      /* 12px */
  --ess-font-size-sm: 0.875rem;     /* 14px */
  --ess-font-size-base: 1rem;       /* 16px */
  --ess-font-size-lg: 1.125rem;     /* 18px */
  --ess-font-size-xl: 1.25rem;      /* 20px */
  --ess-font-size-2xl: 1.5rem;      /* 24px */
  --ess-font-size-3xl: 1.875rem;    /* 30px */
  --ess-font-size-4xl: 2.25rem;     /* 36px */
  --ess-font-size-5xl: 3rem;        /* 48px */

  /* Font Weights */
  --ess-font-weight-light: 300;
  --ess-font-weight-normal: 400;
  --ess-font-weight-medium: 500;
  --ess-font-weight-semibold: 600;
  --ess-font-weight-bold: 700;

  /* Line Heights */
  --ess-line-height-tight: 1.25;
  --ess-line-height-normal: 1.5;
  --ess-line-height-relaxed: 1.75;
  --ess-line-height-loose: 2;

  /* Letter Spacing */
  --ess-letter-spacing-tight: -0.025em;
  --ess-letter-spacing-normal: 0;
  --ess-letter-spacing-wide: 0.025em;

  /* Spacing Scale */
  --ess-spacing-0: 0;
  --ess-spacing-1: 0.25rem;   /* 4px */
  --ess-spacing-2: 0.5rem;    /* 8px */
  --ess-spacing-3: 0.75rem;   /* 12px */
  --ess-spacing-4: 1rem;      /* 16px */
  --ess-spacing-5: 1.25rem;   /* 20px */
  --ess-spacing-6: 1.5rem;    /* 24px */
  --ess-spacing-8: 2rem;      /* 32px */
  --ess-spacing-10: 2.5rem;   /* 40px */
  --ess-spacing-12: 3rem;     /* 48px */
  --ess-spacing-16: 4rem;     /* 64px */
  --ess-spacing-20: 5rem;     /* 80px */
  --ess-spacing-24: 6rem;     /* 96px */
  --ess-spacing-32: 8rem;     /* 128px */

  /* Border Radius */
  --ess-radius-none: 0;
  --ess-radius-sm: 0.25rem;   /* 4px */
  --ess-radius-base: 0.375rem; /* 6px */
  --ess-radius-md: 0.5rem;    /* 8px */
  --ess-radius-lg: 0.75rem;   /* 12px */
  --ess-radius-xl: 1rem;      /* 16px */
  --ess-radius-2xl: 1.5rem;   /* 24px */
  --ess-radius-full: 9999px;

  /* Shadows (Elevation) */
  --ess-shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --ess-shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --ess-shadow-base: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --ess-shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --ess-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --ess-shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --ess-shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  --ess-shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);
  --ess-shadow-none: none;

  /* Z-Index Scale */
  --ess-z-index-base: 0;
  --ess-z-index-dropdown: 1000;
  --ess-z-index-sticky: 1020;
  --ess-z-index-fixed: 1030;
  --ess-z-index-modal-backdrop: 1040;
  --ess-z-index-modal: 1050;
  --ess-z-index-popover: 1060;
  --ess-z-index-tooltip: 1070;
  --ess-z-index-notification: 1080;

  /* Durations */
  --ess-duration-fast: 150ms;
  --ess-duration-base: 200ms;
  --ess-duration-slow: 300ms;
  --ess-duration-slower: 500ms;

  /* Timing Functions */
  --ess-ease-linear: linear;
  --ess-ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ess-ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ess-ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);

  /* Common Transitions */
  --ess-transition-all: all var(--ess-duration-base) var(--ess-ease-in-out);
  --ess-transition-colors: color var(--ess-duration-base) var(--ess-ease-in-out),
                           background-color var(--ess-duration-base) var(--ess-ease-in-out),
                           border-color var(--ess-duration-base) var(--ess-ease-in-out);
  --ess-transition-transform: transform var(--ess-duration-base) var(--ess-ease-out);
  --ess-transition-opacity: opacity var(--ess-duration-fast) var(--ess-ease-in-out);

  /* Breakpoints (for reference in media queries) */
  --ess-breakpoint-sm: 640px;
  --ess-breakpoint-md: 768px;
  --ess-breakpoint-lg: 1024px;
  --ess-breakpoint-xl: 1280px;
  --ess-breakpoint-2xl: 1536px;

  /* Buttons */
  --ess-button-padding-sm: var(--ess-spacing-2) var(--ess-spacing-3);
  --ess-button-padding-base: var(--ess-spacing-3) var(--ess-spacing-4);
  --ess-button-padding-lg: var(--ess-spacing-4) var(--ess-spacing-6);
  --ess-button-radius: var(--ess-radius-md);

  /* Inputs */
  --ess-input-padding: var(--ess-spacing-3) var(--ess-spacing-4);
  --ess-input-border-width: 1px;
  --ess-input-radius: var(--ess-radius-md);
  --ess-input-height-sm: 2rem;
  --ess-input-height-base: 2.5rem;
  --ess-input-height-lg: 3rem;

  /* Cards */
  --ess-card-padding: var(--ess-spacing-6);
  --ess-card-radius: var(--ess-radius-lg);
  --ess-card-shadow: var(--ess-shadow-sm);

  /* Dialogs */
  --ess-dialog-padding: var(--ess-spacing-6);
  --ess-dialog-radius: var(--ess-radius-xl);
  --ess-dialog-shadow: var(--ess-shadow-2xl);

  /* Tables */
  --ess-table-padding-cell: var(--ess-spacing-3) var(--ess-spacing-4);
  --ess-table-border-color: var(--ess-color-border-default);

  /* Navigation */
  --ess-nav-height: 4rem;
  --ess-sidebar-width: 16rem;
  --ess-sidebar-collapsed-width: 4rem;
}

/* Dark Theme (Optional - prepared for future) */
[data-theme="dark"] {
  /* Surface Colors */
  --ess-color-surface-primary: #1f2937;
  --ess-color-surface-secondary: #111827;
  --ess-color-surface-tertiary: #0f172a;
  --ess-color-surface-elevated: #374151;

  /* Text Colors */
  --ess-color-text-primary: #f9fafb;
  --ess-color-text-secondary: #d1d5db;
  --ess-color-text-tertiary: #9ca3af;

  /* Border Colors */
  --ess-color-border-default: #374151;
  --ess-color-border-strong: #4b5563;
  --ess-color-border-subtle: #1f2937;
}

/* Utility Classes (Optional helpers) */
.ess-text-primary { color: var(--ess-color-text-primary); }
.ess-text-secondary { color: var(--ess-color-text-secondary); }
.ess-text-muted { color: var(--ess-color-text-tertiary); }

.ess-bg-surface { background-color: var(--ess-color-surface-primary); }
.ess-bg-surface-secondary { background-color: var(--ess-color-surface-secondary); }

.ess-shadow-sm { box-shadow: var(--ess-shadow-sm); }
.ess-shadow-md { box-shadow: var(--ess-shadow-md); }
.ess-shadow-lg { box-shadow: var(--ess-shadow-lg); }

.ess-transition-all { transition: var(--ess-transition-all); }
.ess-transition-colors { transition: var(--ess-transition-colors); }

@media (max-width: 768px) {
    /* COMPLETELY HIDE Building Image Section on Mobile */
    .ess-login-brand {
        display: none !important;
        width: 0 !important;
        height: 0 !important;
        flex: 0 !important;
        visibility: hidden !important;
        position: absolute !important;
        left: -9999px !important;
    }

    /* Form Wrapper - Takes full screen, centers content */
    .ess-login-form-wrapper {
        flex: 1 !important;
        width: 100% !important;
        height: 100% !important;
        min-height: 100% !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        padding: 20px !important;
        background: #f8fafc !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
    }

    /* Login Form Card - Compact and centered */
    .ess-login-form {
        width: 100% !important;
        max-width: 340px !important;
        padding: 24px 20px !important;
        margin: 0 !important;
        background: #ffffff !important;
        border-radius: 16px !important;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08) !important;
        box-sizing: border-box !important;
    }

    /* Logo - Smaller and centered */
    .ess-login-logo-container {
        text-align: center !important;
        padding: 0 0 16px 0 !important;
        margin: 0 0 16px 0 !important;
    }

    .ess-login-logo {
        max-width: 100px !important;
        height: auto !important;
    }

    /* Header - Compact */
    .ess-login-header {
        text-align: center !important;
        margin: 0 0 20px 0 !important;
    }

    .ess-login-title {
        font-size: 22px !important;
    }

    .ess-login-subtitle {
        font-size: 13px !important;
    }
}