/* ======================================================
   ROOT VARIABLES & THEME
   ====================================================== */
:root {
    /* Professional DarkSlateGray Palette */
    --primary-color: #1f2937;       /* DarkSlateGray - Main Brand */
    --primary-hover: #405574;       /* Darker shade for hover */
    --secondary-color: #5F9EA0;     /* CadetBlue - Secondary accents */
    
    /* Neutral Tones for Minimalism */
    --bg-color: #d3d6d8;            /* Very light, clean background */
    --card-bg: #FFFFFF;             /* Pure white for containers */
    --text-main: #333333;           /* Dark gray text for readability */
    --text-muted: #666666;
    
    /* High Visibility Settings */
    --input-border: #000000;        /* Pure Black Borders */
}

/* ======================================================
   GLOBAL RESET & BASE
   ====================================================== */
* {
    box-sizing: border-box;
}

body {
    font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

/* ======================================================
   GLOBAL INPUT STYLES (High Visibility)
   ====================================================== */
/* Forces all inputs to have a visible black border */
.form-control, 
.form-select, 
.form-check-input,
input[type="text"],
input[type="password"],
input[type="date"],
input[type="number"],
textarea {
    border: 1px solid var(--input-border) !important;
    border-radius: 6px; /* Slightly squarer for professional look */
    color: var(--text-main);
    background-color: #fff;
}

.form-control:focus, 
.form-select:focus {
    box-shadow: none; /* Remove default bootstrap glow for cleaner look */
    border-color: var(--primary-color) !important;
    border-width: 2px !important; /* Thicker border on focus */
    background-color: #f8fcfc;
}

/* ======================================================
   MINIMAL LOGIN PAGE
   ====================================================== */
.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-color); /* Clean flat background */
    padding: 20px;
}

.login-card {
    background: var(--card-bg);
    width: 100%;
    max-width: 400px; /* Slightly narrower for modern look */
    border-radius: 8px;
    /* Soft, professional shadow */
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08); 
    padding: 40px;
    border: 1px solid #dce1e6; /* Subtle border definition */
}

.login-header {
    text-align: center;
    margin-bottom: 35px;
}

.login-header h3 {
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 8px;
    font-size: 1.5rem;
}

.login-header p {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0;
}

.login-icon-box {
    width: 60px;
    height: 60px;
    background-color: rgba(47, 79, 79, 0.1); /* 10% opacity primary */
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px auto;
    font-size: 1.5rem;
}

.login-btn {
    background-color: var(--primary-color);
    border: 1px solid var(--primary-color);
    color: white;
    font-weight: 600;
    padding: 12px;
    border-radius: 6px;
    transition: all 0.2s ease;
    margin-top: 10px;
}

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

.login-footer {
    text-align: center;
    margin-top: 30px;
    font-size: 0.8rem;
    color: #888;
}

/* ======================================================
   DASHBOARD & COMPONENTS
   ====================================================== */
.navbar {
    /* Minimal Dark Navbar */
    background-color: var(--primary-color) !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

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

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

.card {
    border: 1px solid #e2e8f0;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    border-radius: 8px;
    margin-bottom: 20px;
}

.card-header {
    background-color: #f8fafc;
    border-bottom: 1px solid #e2e8f0;
    font-weight: 600;
    color: var(--text-main);
    padding: 15px 20px;
}

/* Tables */
.table thead th {
    background-color: var(--primary-color);
    color: white;
    font-weight: 500;
    border: none;
}

/* KPI Cards Override */
.kpi-card.bg-primary { background-color: var(--primary-color) !important; }
.kpi-card.bg-success { background-color: var(--secondary-color) !important; }

/* Responsive adjustments */
@media (max-width: 576px) {
    .login-card {
        box-shadow: none;
        background: transparent;
        padding: 0;
        border: none;
    }
}