/* ==========================================================================
   EDC Organizer — Clean, modern, minimal light theme
   Palette: off-white surfaces with subtle gray shades
   ========================================================================== */

:root {
    /* Surfaces */
    --bg:            #f7f7f5;   /* page background, warm off-white */
    --surface:       #ffffff;   /* cards, panels */
    --surface-2:     #fafafa;   /* secondary surface (inputs, alt rows) */
    --surface-3:     #f1f1ef;   /* hover / muted */

    /* Text */
    --text:          #1a1a1a;   /* primary text, near-black */
    --text-muted:    #6b6b6b;   /* secondary text */
    --text-subtle:   #9a9a9a;   /* tertiary text, labels */

    /* Borders */
    --border:        #e6e6e3;   /* default hairline border */
    --border-strong: #d6d6d2;   /* hover / focus border */

    /* Accents (kept neutral, near-black for minimal feel) */
    --accent:        #1a1a1a;
    --accent-hover:  #333333;
    --accent-soft:   #ececea;

    /* States */
    --error:   #b42318;
    --error-bg:#fdecea;
    --success: #1a7f4f;
    --success-bg:#e8f5ee;

    /* Radii & shadows */
    --radius-sm: 6px;
    --radius:    10px;
    --radius-lg: 14px;
    --shadow-xs: 0 1px 2px rgba(15, 15, 15, 0.04);
    --shadow-sm: 0 1px 3px rgba(15, 15, 15, 0.06), 0 1px 2px rgba(15, 15, 15, 0.04);
    --shadow-md: 0 4px 12px rgba(15, 15, 15, 0.06);

    /* Layout */
    --container: 1100px;
    --header-h: 64px;
}

/* Reset */
* { box-sizing: border-box; margin: 0; padding: 0; }

html { -webkit-text-size-adjust: 100%; }

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    color: var(--text);
    background-color: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.15s ease;
}
a:hover { color: var(--text-muted); }

ul { list-style: none; }

img { max-width: 100%; display: block; }

h1, h2, h3, h4 {
    color: var(--text);
    line-height: 1.25;
    font-weight: 600;
    letter-spacing: -0.01em;
}
h1 { font-size: 2.25rem; letter-spacing: -0.02em; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.125rem; }

p { color: var(--text-muted); }

hr {
    border: 0;
    border-top: 1px solid var(--border);
    margin: 1.25rem 0;
}

/* ==========================================================================
   Header / Nav
   ========================================================================== */
header {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: saturate(180%) blur(8px);
    -webkit-backdrop-filter: saturate(180%) blur(8px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 50;
}

nav {
    max-width: var(--container);
    margin: 0 auto;
    height: var(--header-h);
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

nav ul { display: flex; gap: 4px; }

nav ul li a {
    display: inline-block;
    padding: 8px 12px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    transition: color 0.15s ease, background-color 0.15s ease;
}
nav ul li a:hover {
    color: var(--text);
    background-color: var(--surface-3);
}

/* ==========================================================================
   Layout
   ========================================================================== */
main {
    max-width: var(--container);
    margin: 0 auto;
    padding: 3rem 24px 4rem;
    min-height: calc(100vh - var(--header-h));
}

section + section { margin-top: 3rem; }

footer {
    border-top: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-subtle);
    font-size: 0.85rem;
    text-align: center;
    padding: 1.5rem 24px;
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
    text-align: center;
    padding: 4.5rem 0 3.5rem;
    border-bottom: 1px solid var(--border);
    margin-bottom: 3rem;
}
.hero h1 {
    font-size: 3rem;
    letter-spacing: -0.03em;
    margin-bottom: 0.75rem;
}
.hero p {
    font-size: 1.05rem;
    color: var(--text-muted);
    max-width: 560px;
    margin: 0 auto;
}
.hero-btns {
    margin-top: 2rem;
    display: inline-flex;
    gap: 10px;
    flex-wrap: wrap;
    justify-content: center;
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn,
button,
.btn-small {
    font-family: inherit;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    transition: background-color 0.15s ease, border-color 0.15s ease,
                color 0.15s ease, transform 0.05s ease, box-shadow 0.15s ease;
    text-align: center;
    white-space: nowrap;
    line-height: 1.2;
}

.btn {
    display: inline-block;
    padding: 0.7rem 1.25rem;
    font-size: 0.9rem;
    background-color: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.btn:hover {
    background-color: var(--accent-hover);
    border-color: var(--accent-hover);
    color: #fff;
}
.btn:active { transform: translateY(1px); }

.btn-secondary {
    background-color: var(--surface);
    color: var(--text);
    border-color: var(--border-strong);
}
.btn-secondary:hover {
    background-color: var(--surface-3);
    color: var(--text);
    border-color: var(--border-strong);
}

.btn-small {
    display: inline-block;
    padding: 0.4rem 0.75rem;
    font-size: 0.8rem;
    background-color: var(--accent);
    color: #fff;
    border-color: var(--accent);
}
.btn-small:hover {
    background-color: var(--accent-hover);
    color: #fff;
}
.btn-small.btn-secondary {
    background-color: var(--surface);
    color: var(--text);
    border-color: var(--border-strong);
}
.btn-small.btn-secondary:hover {
    background-color: var(--surface-3);
    color: var(--text);
}

.btn-danger,
.btn-small.btn-danger {
    background-color: transparent;
    color: var(--error);
    border-color: var(--border-strong);
}
.btn-danger:hover,
.btn-small.btn-danger:hover {
    background-color: var(--error-bg);
    border-color: var(--error);
    color: var(--error);
}

/* ==========================================================================
   Forms
   ========================================================================== */
.auth-form,
.form-container {
    max-width: 420px;
    margin: 2rem auto;
    background-color: var(--surface);
    padding: 2rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-xs);
}
.auth-form h2,
.form-container h2 {
    margin-bottom: 1.25rem;
}

.form-group { margin-bottom: 1rem; }
.form-group label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.825rem;
    font-weight: 500;
    color: var(--text-muted);
}

.form-group input,
.form-group textarea,
.form-group select,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="url"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: 0.6rem 0.75rem;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--text);
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    transition: border-color 0.15s ease, box-shadow 0.15s ease,
                background-color 0.15s ease;
    appearance: none;
}
.form-group textarea, textarea { min-height: 90px; resize: vertical; }

.form-group input:hover,
.form-group textarea:hover,
.form-group select:hover {
    border-color: var(--border-strong);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus,
input:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--text);
    box-shadow: 0 0 0 3px rgba(26, 26, 26, 0.08);
    background-color: var(--surface);
}

select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='%236b6b6b' d='M0 0l5 6 5-6z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 32px;
}

/* ==========================================================================
   Page section headers (dashboard / edit)
   ========================================================================== */
.dashboard-header,
.edit-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 1.25rem;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

/* ==========================================================================
   Loadout grid & cards
   ========================================================================== */
.loadout-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 1.5rem;
}

.loadout-card {
    background-color: var(--surface);
    padding: 1.25rem 1.25rem 1.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-xs);
    transition: border-color 0.15s ease, box-shadow 0.15s ease, transform 0.15s ease;
    display: flex;
    flex-direction: column;
}
.loadout-card:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-sm);
    transform: translateY(-1px);
}
.loadout-card h3 {
    margin-bottom: 0.4rem;
    font-size: 1.05rem;
}
.loadout-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.card-actions {
    margin-top: auto;
    padding-top: 0.5rem;
    display: flex;
    gap: 8px;
}

/* ==========================================================================
   Item Manager (edit loadout)
   ========================================================================== */
.item-manager {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.6fr);
    gap: 28px;
    margin-top: 1.5rem;
    align-items: start;
}

@media (max-width: 860px) {
    .item-manager { grid-template-columns: 1fr; }
}

.add-item-form,
.current-items {
    background-color: var(--surface);
    padding: 1.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-xs);
}

.add-item-form h3,
.current-items h3 {
    margin-bottom: 1rem;
    font-size: 1rem;
    font-weight: 600;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 0.5rem;
    font-size: 0.9rem;
}
table th, table td {
    text-align: left;
    padding: 0.7rem 0.75rem;
    border-bottom: 1px solid var(--border);
}
table th {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    color: var(--text-subtle);
    background-color: var(--surface-2);
}
table tbody tr:last-child td { border-bottom: none; }
table tbody tr:hover { background-color: var(--surface-2); }

/* ==========================================================================
   View Loadout
   ========================================================================== */
.loadout-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}
.loadout-header h1 { margin-bottom: 0.4rem; }
.loadout-header .meta {
    color: var(--text-subtle);
    font-size: 0.875rem;
    margin-bottom: 1rem;
}
.loadout-header .description {
    color: var(--text-muted);
    max-width: 720px;
}

.stats-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 12px;
    margin: 1.5rem 0 2.5rem;
}

.stat-card {
    background-color: var(--surface);
    padding: 1.1rem 1.25rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    text-align: left;
}
.stat-label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 500;
    color: var(--text-subtle);
    margin-bottom: 0.35rem;
}
.stat-value {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: -0.02em;
}

.item-list {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.item-card {
    background-color: var(--surface);
    padding: 1rem 1.25rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.25rem;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.item-card:hover {
    border-color: var(--border-strong);
    box-shadow: var(--shadow-xs);
}

.item-image img {
    width: 72px;
    height: 72px;
    object-fit: contain;
    background-color: var(--surface-2);
    border: 1px solid var(--border);
    padding: 6px;
    border-radius: var(--radius-sm);
}

.item-main { flex: 1; min-width: 0; }
.item-main h3 { font-size: 1rem; margin: 0.15rem 0 0.25rem; }
.item-notes {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.item-category {
    display: inline-block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-weight: 600;
    color: var(--text-subtle);
}

.item-stats {
    text-align: right;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
    flex-shrink: 0;
}
.item-weight {
    display: block;
    font-variant-numeric: tabular-nums;
    color: var(--text);
    font-weight: 500;
    font-size: 0.95rem;
}

.view-actions {
    margin-top: 2.5rem;
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Image preview helper */
#image_preview img {
    max-width: 120px;
    max-height: 120px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 4px;
    background: var(--surface-2);
}

/* ==========================================================================
   Messages
   ========================================================================== */
.error,
.success {
    padding: 0.7rem 0.9rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
}
.error {
    color: var(--error);
    background-color: var(--error-bg);
    border-color: #f5c6c0;
}
.success {
    color: var(--success);
    background-color: var(--success-bg);
    border-color: #c6e7d4;
}

/* ==========================================================================
   Responsive tweaks
   ========================================================================== */
@media (max-width: 640px) {
    .hero { padding: 3rem 0 2.5rem; }
    .hero h1 { font-size: 2.25rem; }
    h1 { font-size: 1.875rem; }
    main { padding: 2rem 16px 3rem; }
    nav { padding: 0 16px; }
    nav ul li a { padding: 6px 8px; }
    .item-card { flex-wrap: wrap; }
    .item-stats { flex-direction: row; align-items: center; }
}