/* 
 * ANF Travel - Blue, Black, White Color Scheme
 * This file defines the unified color palette for the entire website
 * Primary Colors: Blue (#1e40af), Black (#000000), White (#ffffff)
 */

:root {
    /* === PRIMARY COLORS === */
    --color-primary: #1e40af;          /* Main Blue */
    --color-primary-dark: #1e3a8a;     /* Darker Blue */
    --color-primary-light: #dbeafe;    /* Light Blue */
    --color-primary-accent: #3b82f6;   /* Accent Blue */
    
    /* === NEUTRAL COLORS === */
    --color-black: #000000;             /* Pure Black */
    --color-white: #ffffff;             /* Pure White */
    --color-gray-dark: #374151;         /* Dark Gray */
    --color-gray: #6b7280;              /* Medium Gray */
    --color-gray-light: #f3f4f6;        /* Light Gray */
    --color-gray-lighter: #f9fafb;      /* Very Light Gray */
    
    /* === SEMANTIC COLORS === */
    --color-success: #059669;           /* Green for success states */
    --color-warning: #d97706;           /* Orange for warnings */
    --color-danger: #dc2626;            /* Red for errors */
    --color-info: #0284c7;              /* Blue for information */
    
    /* === GRADIENTS === */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    --gradient-accent: linear-gradient(135deg, var(--color-primary-accent) 0%, var(--color-primary) 100%);
    --gradient-light: linear-gradient(135deg, var(--color-white) 0%, var(--color-gray-lighter) 100%);
    
    /* === SHADOWS === */
    --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);
    
    /* === BORDERS === */
    --border-color: #e5e7eb;
    --border-color-light: #f3f4f6;
    --border-color-dark: #d1d5db;
    
    /* === BACKGROUNDS === */
    --bg-primary: var(--color-white);
    --bg-secondary: var(--color-gray-lighter);
    --bg-accent: var(--color-primary-light);
    
    /* === TEXT COLORS === */
    --text-primary: var(--color-black);
    --text-secondary: var(--color-gray-dark);
    --text-muted: var(--color-gray);
    --text-inverse: var(--color-white);
    
    /* === INTERACTIVE STATES === */
    --hover-opacity: 0.8;
    --active-opacity: 0.9;
    --disabled-opacity: 0.5;
    
    /* === TRANSITIONS === */
    --transition-fast: all 0.15s ease;
    --transition-normal: all 0.3s ease;
    --transition-slow: all 0.5s ease;
}

/* === UTILITY CLASSES === */
.text-primary { color: var(--color-primary) !important; }
.text-black { color: var(--color-black) !important; }
.text-white { color: var(--color-white) !important; }
.text-gray { color: var(--color-gray) !important; }

.bg-primary { 
    background-color: var(--color-primary) !important; 
    color: var(--color-white) !important;
}
.bg-black { background-color: var(--color-black) !important; }
.bg-white { background-color: var(--color-white) !important; }
.bg-gray-light { background-color: var(--color-gray-light) !important; }

.border-primary { border-color: var(--color-primary) !important; }
.border-black { border-color: var(--color-black) !important; }
.border-gray { border-color: var(--border-color) !important; }

/* === BUTTON VARIANTS === */
.btn-primary {
    background: var(--gradient-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

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

.btn-outline-primary {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

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

.btn-black:hover {
    background-color: var(--color-gray-dark);
    border-color: var(--color-gray-dark);
}

/* === CARD VARIANTS === */
.card-primary {
    border-color: var(--color-primary);
    background: var(--color-white);
}

.card-primary .card-header {
    background: var(--gradient-primary);
    color: var(--color-white);
    border-bottom-color: var(--color-primary);
}

.card-accent {
    background: var(--color-primary-light);
    border-color: var(--color-primary);
}

/* === BLUE BACKGROUND TEXT FIXES === */
.bg-primary *,
.card-primary .card-header *,
[style*="background-color: #1e40af"] *,
[style*="background: #1e40af"] * {
    color: var(--color-white) !important;
}

/* === ALERT VARIANTS === */
.alert-primary {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
}

.alert-success {
    background-color: #d1fae5;
    border-color: var(--color-success);
    color: #065f46;
}

.alert-warning {
    background-color: #fef3c7;
    border-color: var(--color-warning);
    color: #92400e;
}

.alert-danger {
    background-color: #fee2e2;
    border-color: var(--color-danger);
    color: #991b1b;
}

/* === RESPONSIVE DESIGN === */
@media (prefers-color-scheme: dark) {
    /* Dark mode adjustments while maintaining blue, black, white theme */
    :root {
        --bg-primary: var(--color-black);
        --bg-secondary: #111827;
        --text-primary: var(--color-white);
        --text-secondary: var(--color-gray-light);
        --border-color: #374151;
    }
}

/* === PRINT STYLES === */
@media print {
    :root {
        --color-primary: var(--color-black);
        --gradient-primary: none;
        --shadow-md: none;
        --shadow-lg: none;
    }
}