/* ═══════════════════════════════════════════════════════════
   SOULARY — DRAWING PAGE (SKETCHBOOK)
   Consistent with the aged paper and wooden desk theme.
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Caveat:wght@400;700&family=Lora:ital,wght@0,400;0,600;1,400&family=IM+Fell+English:ital@0;1&display=swap');

:root {
    --desk-dark:      #1a0f07;
    --paper:          #faf6ea;
    --paper-crease:   #ede6ce;
    --paper-edge:     #d9d0b4;
    --ink:            #1c1209;
    --ink-fade:       #7a6a54;
    --ink-ghost:      #b8a888;
    --gold:           #c9a84c;
    --leather:        #4e3221;
    --font-hand:      'Caveat', cursive;
    --font-serif:     'Lora', serif;
    --font-formal:    'IM Fell English', serif;
}

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

body {
    background: var(--desk-dark);
    font-family: var(--font-serif);
    color: var(--ink);
    min-height: 100vh;
    overflow-x: hidden;
}

.desk {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    padding: 0 20px;
}

/* ─── HEADER ─── */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.logo {
    font-family: 'Caveat', cursive;
    font-size: 32px;
    color: var(--paper);
    text-decoration: none;
}

.logo-link { text-decoration: none; }

.btn-nav {
    color: var(--paper-edge);
    text-decoration: none;
    font-family: var(--font-formal);
    font-style: italic;
    font-size: 16px;
    transition: color 0.3s;
}

.btn-nav:hover { color: var(--gold); }

/* ─── TOOLBAR ─── */
.toolbar-container {
    padding: 10px 0;
    margin-bottom: 20px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.toolbar {
    background: var(--paper);
    padding: 12px 24px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 20px;
    width: max-content;
    margin: 0 auto;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    border: 1px solid var(--paper-edge);
}

.tool-group, .action-group, .control-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.divider {
    width: 1px;
    height: 30px;
    background: var(--paper-edge);
}

.tool-btn {
    background: transparent;
    border: 1px solid transparent;
    font-size: 20px;
    padding: 8px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    align-items: center;
    justify-content: center;
}

.tool-btn:hover {
    background: rgba(0,0,0,0.05);
    transform: scale(1.1);
}

.tool-btn.active {
    background: var(--gold);
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.1);
    border-color: rgba(0,0,0,0.1);
}

/* Controls */
.control-group label {
    font-family: var(--font-formal);
    font-style: italic;
    font-size: 13px;
    color: var(--ink-fade);
    margin-right: 5px;
}

input[type="color"] {
    appearance: none;
    width: 30px;
    height: 30px;
    border: none;
    background: transparent;
    cursor: pointer;
}

input[type="color"]::-webkit-color-swatch {
    border-radius: 50%;
    border: 1px solid var(--paper-edge);
}

.size-wrapper {
    display: flex;
    align-items: center;
    gap: 8px;
}

input[type="range"] {
    width: 80px;
    accent-color: var(--gold);
}

#sizeDisplay {
    font-family: var(--font-hand);
    font-size: 16px;
    min-width: 35px;
}

/* Actions */
.btn-action {
    background: transparent;
    border: 1px solid var(--paper-edge);
    padding: 6px 16px;
    border-radius: 20px;
    font-family: var(--font-hand);
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-action:hover {
    background: rgba(0,0,0,0.05);
    border-color: var(--gold);
}

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

.btn-action.primary:hover {
    box-shadow: 0 4px 10px rgba(201,168,76,0.3);
}

/* ─── CANVAS ─── */
.canvas-container {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding-bottom: 40px;
}

.paper-wrapper {
    background: var(--paper);
    box-shadow: 
        0 1px 1px rgba(0,0,0,0.11), 
        0 2px 2px rgba(0,0,0,0.11), 
        0 4px 4px rgba(0,0,0,0.11), 
        0 8px 8px rgba(0,0,0,0.11), 
        0 16px 16px rgba(0,0,0,0.11), 
        0 32px 32px rgba(0,0,0,0.11);
    position: relative;
    border-radius: 2px;
}

.paper-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.7' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100' height='100' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 1;
}

/* ─── FOOTER ─── */
.footer {
    padding: 30px;
    text-align: center;
    color: var(--ink-ghost);
    font-family: var(--font-formal);
    font-style: italic;
    font-size: 16px;
    opacity: 0.7;
}

/* Responsive */
@media (max-width: 900px) {
    .toolbar {
        flex-wrap: wrap;
        justify-content: center;
        width: 95%;
        border-radius: 12px;
        gap: 10px;
    }
    .divider { display: none; }
}