/* ============================================================
   TravelMore / hostelsolver — shared styles
   Design tokens + common components.
   Page-specific styles (backgrounds, one-off layouts) remain inline.
   ============================================================ */

/* ---- Design tokens ---- */
:root {
    --color-navy: #3c475b;
    --color-navy-dark: #2a3245;
    --color-bg: #e8f4f8;
    --color-white: #ffffff;
    --color-primary: #3c86fc;
    --color-primary-hover: #2f6ad1;
    --color-text: #2a3245;
    --color-text-muted: #606978;
    --color-border: #d6dee5;
    --color-success: #2ecc71;
    --color-warning: #f39c12;
    --radius-sm: 5px;
    --radius-md: 10px;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.10);
    --shadow-lg: 0 0 25px rgba(0, 0, 0, 0.15);
    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

/* ---- Typography ---- */
body {
    font-family: 'Inter', var(--font-stack);
    color: var(--color-text);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4 {
    color: var(--color-navy);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 { font-size: 2rem; margin: 0 0 1rem; }
h2 { font-size: 1.5rem; margin: 0 0 0.75rem; }
h3 { font-size: 1.2rem; margin: 0 0 0.5rem; }

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

/* ---- Buttons ---- */
.btn,
input[type="submit"] {
    display: inline-block;
    padding: 11px 24px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.95rem;
    font-weight: 600;
    font-family: 'Inter', var(--font-stack);
    cursor: pointer;
    text-decoration: none;
    box-shadow: 0 1px 3px rgba(60, 134, 252, 0.25), 0 4px 12px rgba(60, 134, 252, 0.15);
    transition: background-color 0.15s, box-shadow 0.15s, transform 0.1s;
    letter-spacing: -0.01em;
}

.btn:hover,
input[type="submit"]:hover {
    background-color: var(--color-primary-hover);
    box-shadow: 0 2px 6px rgba(60, 134, 252, 0.3), 0 6px 16px rgba(60, 134, 252, 0.2);
    text-decoration: none;
    color: var(--color-white);
}

.btn:active,
input[type="submit"]:active {
    transform: translateY(1px);
    box-shadow: 0 1px 3px rgba(60, 134, 252, 0.2);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-navy);
    border: 1.5px solid var(--color-border);
    box-shadow: 0 1px 3px rgba(0,0,0,0.06);
}
.btn-secondary:hover {
    background-color: var(--color-bg);
    border-color: var(--color-navy);
    color: var(--color-navy);
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

/* ---- Form inputs ---- */
.tm-input,
input[type="text"].tm-input,
input[type="password"].tm-input,
input[type="email"].tm-input,
input[type="number"].tm-input,
input[type="date"].tm-input,
select.tm-input {
    padding: 10px 12px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-white);
    font-size: 1rem;
    font-family: var(--font-stack);
    width: 100%;
    box-sizing: border-box;
    transition: border-color 0.15s, box-shadow 0.15s;
}

.tm-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(60, 134, 252, 0.15);
}

.tm-label {
    display: block;
    color: var(--color-text);
    font-weight: 500;
    margin-bottom: 6px;
}

.tm-help {
    display: block;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-top: 4px;
}

.tm-field {
    margin-bottom: 18px;
}

/* ---- Cards ---- */
.tm-card {
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    padding: 20px;
    transition: box-shadow 0.2s, transform 0.1s;
}

.tm-card:hover {
    box-shadow: var(--shadow-lg);
}

/* ---- Badges ---- */
.tm-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    background-color: var(--color-bg);
    color: var(--color-navy);
}

.tm-badge-success {
    background-color: var(--color-success);
    color: var(--color-white);
}

.tm-badge-warning {
    background-color: var(--color-warning);
    color: var(--color-white);
}

/* ---- Footer ---- */
footer {
    margin-top: 40px;
    padding: 20px;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.85rem;
}

/* ---- Utility ---- */
.tm-section { margin-bottom: 32px; }
.tm-muted { color: var(--color-text-muted); }
.tm-center { text-align: center; }