/* =============================================
   Cairn Design System - Outdoor Theme
   ============================================= */

:root {
    /* === Primary Colors === */
    --cn-primary: #2d5a3d;           /* Forest Green */
    --cn-primary-hover: #1e4028;     /* Deep Forest */
    --cn-primary-light: #e8efe6;     /* Moss Highlight */
    --cn-primary-rgb: 45, 90, 61;    /* For rgba() usage */

    /* === Gradient === */
    --cn-gradient: linear-gradient(135deg, #2d5a3d 0%, #6b4c3a 100%);
    --cn-gradient-start: #2d5a3d;
    --cn-gradient-end: #6b4c3a;

    /* === Secondary Colors === */
    --cn-secondary: #4a7c59;         /* Trail Green */
    --cn-secondary-hover: #3a6147;   /* Deep Trail */

    /* === Background Colors === */
    --cn-bg: #f5f3ef;                /* Warm Sand */
    --cn-bg-card: #fdfcfa;           /* Paper White */
    --cn-bg-hover: #e8efe6;          /* Moss Highlight */

    /* === Text Colors === */
    --cn-text: #2d3233;              /* Charcoal */
    --cn-text-muted: #5a6364;        /* Stone */
    --cn-text-light: #8a9394;        /* Light Stone */

    /* === Border Colors === */
    --cn-border: #ddd8d0;            /* Pebble */
    --cn-border-light: #e8e4dc;      /* Light Pebble */

    /* === Status Colors === */
    --cn-success: #4a7c59;
    --cn-success-bg: #e6f0e8;
    --cn-warning: #b8860b;
    --cn-warning-bg: #fef3cd;
    --cn-error: #c53030;
    --cn-error-bg: #fed7d7;
    --cn-info: #2c5282;
    --cn-info-bg: #bee3f8;

    /* === Shadows === */
    --cn-shadow: 0 2px 4px rgba(45, 50, 51, 0.1);
    --cn-shadow-md: 0 4px 12px rgba(45, 50, 51, 0.12);
    --cn-shadow-lg: 0 6px 20px rgba(45, 50, 51, 0.15);

    /* === Sparse Organic Contour Background Pattern (faded for logged-in pages) === */
    --cn-contour-pattern: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='400' viewBox='0 0 400 400'%3E%3Cdefs%3E%3Cstyle%3E.c%7Bfill:none;stroke:%23c8c0b0;stroke-width:0.8%7D.t%7Bfill:none;stroke:%23c8c0b0;stroke-width:0.5%7D%3C/style%3E%3C/defs%3E%3Cg opacity='0.28'%3E%3Cpath class='c' d='M0,35 C35,22 65,42 110,30 C155,18 195,48 245,32 C295,16 340,45 400,35'/%3E%3Cpath class='t' d='M0,85 C25,78 50,92 80,82'/%3E%3Cpath class='c' d='M0,140 C45,125 90,158 145,138 C200,118 250,160 310,142 C370,124 400,148 400,140'/%3E%3Cpath class='c' d='M0,245 C50,228 100,265 160,245 C220,225 275,270 340,250 C385,236 400,255 400,248'/%3E%3Cpath class='t' d='M280,295 C310,285 345,302 380,290'/%3E%3Cpath class='c' d='M0,355 C40,340 85,375 140,355 C195,335 250,380 320,360 C375,345 400,365 400,358'/%3E%3Cpath class='c' d='M65,70 C48,62 42,78 50,95 C58,112 80,118 98,106 C116,94 120,72 105,60 C90,48 75,55 65,70'/%3E%3Cpath class='c' d='M48,52 C18,38 2,72 15,115 C28,158 75,178 125,152 C175,126 188,62 155,28 C122,-6 68,22 48,52'/%3E%3Cpath class='c' d='M310,165 C292,155 282,175 290,195 C298,215 322,225 342,210 C362,195 365,168 348,152 C331,136 320,148 310,165'/%3E%3Cpath class='c' d='M292,142 C255,122 228,168 245,225 C262,282 318,308 372,278 C426,248 438,175 398,130 C358,85 315,108 292,142'/%3E%3Cpath class='c' d='M175,310 C155,298 142,322 152,348 C162,374 192,388 218,370 C244,352 248,318 228,298 C208,278 185,292 175,310'/%3E%3Cpath class='t' d='M120,195 C150,182 185,202 220,188'/%3E%3C/g%3E%3C/svg%3E");
}

/* === Global Body Styles === */
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--cn-bg);
    background-image: var(--cn-contour-pattern);
    background-size: 400px 400px;
    background-repeat: repeat;
    color: var(--cn-text);
    margin: 0;
    padding: 0;
    line-height: 1.5;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
    color: var(--cn-text);
    margin: 0 0 0.5em 0;
}

a {
    color: var(--cn-primary);
    text-decoration: none;
}

a:hover {
    color: var(--cn-primary-hover);
    text-decoration: none;
}

/* === Button element resets === */
button.btn, button[class*="btn"] {
    font-family: inherit;
    line-height: 1.4;
    box-sizing: border-box;
    vertical-align: middle;
}

/* === Buttons === */
.btn {
    display: inline-block;
    padding: 10px 20px;
    background: var(--cn-primary);
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.2s ease, box-shadow 0.2s ease;
    vertical-align: middle;
    box-sizing: border-box;
}

.btn:hover {
    background: var(--cn-primary-hover);
    color: white;
    text-decoration: none;
    box-shadow: var(--cn-shadow-md);
}

.btn-secondary {
    background: var(--cn-secondary);
}

.btn-secondary:hover {
    background: var(--cn-secondary-hover);
}

.btn-outline {
    background: transparent;
    color: var(--cn-primary);
    border: 2px solid var(--cn-primary);
}

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

.btn-danger {
    background: var(--cn-error);
}

.btn-danger:hover {
    background: #a32828;
}

.btn-small, .btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

/* === Cards === */
.card {
    background: var(--cn-bg-card);
    border-radius: 10px;
    box-shadow: var(--cn-shadow);
    padding: 20px;
    margin-bottom: 20px;
}

.card-header {
    border-bottom: 1px solid var(--cn-border-light);
    padding-bottom: 15px;
    margin-bottom: 15px;
}

/* === Forms === */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="time"],
input[type="tel"],
input[type="url"],
select,
textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--cn-border);
    border-radius: 6px;
    font-size: 14px;
    background: white;
    color: var(--cn-text);
    transition: border-color 0.2s, box-shadow 0.2s;
}

input[type="date"],
input[type="time"] {
    padding: 16px 18px;
    font-size: 20px;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--cn-primary);
    box-shadow: 0 0 0 3px rgba(45, 90, 61, 0.15);
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--cn-text);
}

.form-group {
    margin-bottom: 16px;
}

/* === Alerts/Messages === */
.alert, .msg {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 16px;
}

.alert-success, .msg-success {
    background: var(--cn-success-bg);
    color: #1a4d2e;
    border: 1px solid #b8d4be;
}

.alert-error, .msg-error {
    background: var(--cn-error-bg);
    color: var(--cn-error);
    border: 1px solid #feb2b2;
}

.alert-warning, .msg-warning {
    background: var(--cn-warning-bg);
    color: #856404;
    border: 1px solid #ffc107;
}

.alert-info, .msg-info {
    background: var(--cn-info-bg);
    color: var(--cn-info);
    border: 1px solid #90cdf4;
}

/* === Badges === */
.badge {
    display: inline-block;
    padding: 3px 8px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 4px;
    text-transform: uppercase;
}

.badge-success {
    background: var(--cn-success-bg);
    color: #1a4d2e;
}

.badge-warning {
    background: var(--cn-warning-bg);
    color: #856404;
}

.badge-error, .badge-danger {
    background: var(--cn-error-bg);
    color: var(--cn-error);
}

.badge-info {
    background: var(--cn-info-bg);
    color: var(--cn-info);
}

/* === Tables === */
table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--cn-border-light);
}

th {
    background: var(--cn-bg);
    font-weight: 600;
    color: var(--cn-text);
}

tr:hover {
    background: var(--cn-bg-hover);
}

/* === Container === */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* === Page Title === */
.page-title {
    font-size: 24px;
    color: var(--cn-text);
    margin-bottom: 24px;
}

/* === Back Link === */
.back-link {
    display: inline-block;
    color: var(--cn-text-muted);
    text-decoration: none;
    margin-bottom: 16px;
    font-size: 14px;
}

.back-link:hover {
    color: var(--cn-primary);
}

/* === Modal === */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(45, 50, 51, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--cn-bg-card);
    border-radius: 12px;
    box-shadow: var(--cn-shadow-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--cn-border-light);
}

.modal-header h3 {
    margin: 0;
    color: var(--cn-text);
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 15px 20px;
    border-top: 1px solid var(--cn-border-light);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* === Utility Classes === */
.text-muted {
    color: var(--cn-text-muted);
}

.text-success {
    color: var(--cn-success);
}

.text-error {
    color: var(--cn-error);
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }