/* ===== Neumorphism Design System (thai_web) ===== */
/* Soft UI tokens shared by base.html + all partials. */

:root {
    --neu-bg: #E4EBF5;
    --neu-bg-deep: #D6DEEB;
    --neu-text: #1F2937;
    --neu-text-muted: #5A6B85;
    --neu-text-disabled: #94A3B8;

    --neu-accent: #3D5AFE;
    --neu-accent-hover: #1939E0;
    --neu-accent-soft: rgba(61, 90, 254, 0.12);
    --neu-gold: #D4A24C;
    --neu-success: #16A34A;
    --neu-error: #E5484D;

    --neu-shadow-light: rgba(255, 255, 255, 0.85);
    --neu-shadow-dark: rgba(163, 177, 198, 0.55);
    --neu-shadow-light-strong: rgba(255, 255, 255, 0.95);
    --neu-shadow-dark-strong: rgba(163, 177, 198, 0.7);

    --r-sm: 12px;
    --r-md: 18px;
    --r-lg: 24px;
    --r-pill: 999px;

    --topbar-h: 64px;
    --bottom-action-h: 80px;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    background-color: var(--neu-bg);
    color: var(--neu-text);
    font-family: 'Noto Sans Thai', 'Inter', sans-serif;
    -webkit-font-smoothing: antialiased;
}

body {
    min-height: 100vh;
    padding-top: var(--topbar-h);
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* ----- Surface utilities ----- */
.neu-card {
    background: var(--neu-bg);
    border-radius: var(--r-lg);
    box-shadow:
        -6px -6px 12px var(--neu-shadow-light),
        6px 6px 14px var(--neu-shadow-dark);
}

.neu-card-lg {
    background: var(--neu-bg);
    border-radius: var(--r-lg);
    box-shadow:
        -10px -10px 20px var(--neu-shadow-light-strong),
        10px 10px 22px var(--neu-shadow-dark-strong);
}

.neu-card-sm {
    background: var(--neu-bg);
    border-radius: var(--r-md);
    box-shadow:
        -4px -4px 8px var(--neu-shadow-light),
        4px 4px 10px var(--neu-shadow-dark);
}

.neu-pressed {
    background: var(--neu-bg);
    border-radius: var(--r-md);
    box-shadow:
        inset -4px -4px 8px var(--neu-shadow-light),
        inset 4px 4px 8px var(--neu-shadow-dark);
}

.neu-pressed-deep {
    background: var(--neu-bg-deep);
    border-radius: var(--r-md);
    box-shadow:
        inset -3px -3px 6px var(--neu-shadow-light),
        inset 3px 3px 8px var(--neu-shadow-dark-strong);
}

/* ----- Buttons ----- */
.neu-btn {
    background: var(--neu-bg);
    border: none;
    border-radius: var(--r-md);
    padding: 12px 18px;
    color: var(--neu-text);
    font-weight: 500;
    cursor: pointer;
    transition: box-shadow 0.18s ease, transform 0.18s ease;
    box-shadow:
        -5px -5px 10px var(--neu-shadow-light),
        5px 5px 12px var(--neu-shadow-dark);
}
.neu-btn:active,
.neu-btn.is-active {
    box-shadow:
        inset -3px -3px 6px var(--neu-shadow-light),
        inset 3px 3px 6px var(--neu-shadow-dark);
}

.neu-btn-primary {
    background: linear-gradient(135deg, var(--neu-accent) 0%, var(--neu-accent-hover) 100%);
    color: #fff;
    border: none;
    border-radius: var(--r-md);
    padding: 14px 22px;
    font-weight: 700;
    cursor: pointer;
    box-shadow:
        -4px -4px 10px var(--neu-shadow-light),
        4px 4px 12px rgba(61, 90, 254, 0.35);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    width: 100%;
}
.neu-btn-primary:hover { transform: translateY(-1px); }
.neu-btn-primary:active {
    transform: translateY(0);
    box-shadow:
        inset -3px -3px 6px rgba(255, 255, 255, 0.4),
        inset 3px 3px 6px rgba(0, 0, 0, 0.2);
}

.neu-btn-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--r-pill);
    background: var(--neu-bg);
    border: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--neu-text-muted);
    cursor: pointer;
    box-shadow:
        -4px -4px 8px var(--neu-shadow-light),
        4px 4px 10px var(--neu-shadow-dark);
    transition: box-shadow 0.15s ease;
}
.neu-btn-icon:active {
    box-shadow:
        inset -3px -3px 6px var(--neu-shadow-light),
        inset 3px 3px 6px var(--neu-shadow-dark);
}

/* ----- Pills (余额展示等) ----- */
.neu-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: var(--r-pill);
    background: var(--neu-bg);
    color: var(--neu-text);
    font-weight: 600;
    font-size: 13px;
    box-shadow:
        -3px -3px 6px var(--neu-shadow-light),
        3px 3px 8px var(--neu-shadow-dark);
}

.neu-pill-accent {
    background: linear-gradient(135deg, var(--neu-accent) 0%, var(--neu-accent-hover) 100%);
    color: #fff;
}

/* ----- Inputs ----- */
.neu-input {
    width: 100%;
    padding: 14px 18px;
    border: none;
    outline: none;
    background: var(--neu-bg);
    border-radius: var(--r-md);
    color: var(--neu-text);
    font-size: 15px;
    font-family: inherit;
    box-shadow:
        inset -3px -3px 6px var(--neu-shadow-light),
        inset 3px 3px 7px var(--neu-shadow-dark);
}
.neu-input::placeholder { color: var(--neu-text-disabled); }
.neu-input:focus {
    box-shadow:
        inset -2px -2px 4px var(--neu-shadow-light),
        inset 2px 2px 6px var(--neu-shadow-dark),
        0 0 0 2px var(--neu-accent-soft);
}

/* ----- Lists ----- */
.neu-list-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    border-radius: var(--r-md);
    background: var(--neu-bg);
    transition: box-shadow 0.15s ease;
}
.neu-list-item:hover {
    box-shadow:
        -3px -3px 6px var(--neu-shadow-light),
        3px 3px 8px var(--neu-shadow-dark);
}
.neu-list-item .ico {
    width: 40px;
    height: 40px;
    flex: none;
    border-radius: var(--r-md);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--neu-bg);
    color: var(--neu-accent);
    box-shadow:
        inset -2px -2px 4px var(--neu-shadow-light),
        inset 2px 2px 5px var(--neu-shadow-dark);
}
.neu-list-item .label {
    flex: 1;
    font-size: 15px;
    color: var(--neu-text);
    font-weight: 500;
}
.neu-list-item .chev {
    color: var(--neu-text-disabled);
    font-size: 12px;
}

/* ----- Topbar ----- */
.neu-topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--topbar-h);
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--neu-bg);
    z-index: 40;
    box-shadow: 0 8px 18px -8px var(--neu-shadow-dark);
}
.neu-topbar .title {
    flex: 1;
    text-align: center;
    font-weight: 600;
    font-size: 16px;
    color: var(--neu-text);
}

/* ----- Drawer ----- */
.neu-drawer-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.35);
    backdrop-filter: blur(2px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.25s ease, visibility 0.25s ease;
    z-index: 60;
}
.neu-drawer-backdrop.is-open {
    opacity: 1;
    visibility: visible;
}
.neu-drawer {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: 82%;
    max-width: 320px;
    background: var(--neu-bg);
    transform: translateX(-100%);
    transition: transform 0.28s ease;
    z-index: 61;
    box-shadow: 8px 0 24px -8px var(--neu-shadow-dark-strong);
    display: flex;
    flex-direction: column;
    overflow-y: auto;
}
.neu-drawer.is-open { transform: translateX(0); }

/* ----- Segmented control ----- */
.neu-segmented {
    display: flex;
    gap: 6px;
    padding: 6px;
    border-radius: var(--r-pill);
    background: var(--neu-bg);
    box-shadow:
        inset -3px -3px 6px var(--neu-shadow-light),
        inset 3px 3px 7px var(--neu-shadow-dark);
    overflow-x: auto;
}
.neu-segmented::-webkit-scrollbar { display: none; }
.neu-segmented a {
    flex: 1 0 auto;
    text-align: center;
    padding: 8px 14px;
    border-radius: var(--r-pill);
    font-size: 13px;
    font-weight: 600;
    color: var(--neu-text-muted);
    white-space: nowrap;
    transition: all 0.15s ease;
}
.neu-segmented a.is-active {
    background: linear-gradient(135deg, var(--neu-accent) 0%, var(--neu-accent-hover) 100%);
    color: #fff;
    box-shadow:
        -2px -2px 4px var(--neu-shadow-light),
        2px 2px 6px rgba(61, 90, 254, 0.4);
}

/* ----- FAB ----- */
.neu-fab {
    position: fixed;
    right: 18px;
    bottom: 24px;
    width: 56px;
    height: 56px;
    border-radius: var(--r-pill);
    background: linear-gradient(135deg, var(--neu-accent) 0%, var(--neu-accent-hover) 100%);
    color: #fff;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    z-index: 30;
    box-shadow:
        -5px -5px 12px var(--neu-shadow-light),
        6px 6px 16px rgba(61, 90, 254, 0.4);
    transition: transform 0.15s ease;
}
.neu-fab:hover { transform: translateY(-2px); }
.neu-fab .badge {
    position: absolute;
    top: -2px;
    right: -2px;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    border-radius: 999px;
    background: var(--neu-error);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

/* ----- Bottom action sticky bar ----- */
.neu-bottom-action {
    position: sticky;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
    background: linear-gradient(to top, var(--neu-bg) 65%, rgba(228, 235, 245, 0));
    z-index: 20;
}

/* ----- Helpers ----- */
.neu-page { padding: 16px; padding-bottom: calc(96px + env(safe-area-inset-bottom)); }
.neu-stack > * + * { margin-top: 16px; }
.neu-divider {
    height: 1px;
    margin: 16px 0;
    background: linear-gradient(to right, transparent, var(--neu-shadow-dark), transparent);
}
.text-muted { color: var(--neu-text-muted); }
.text-accent { color: var(--neu-accent); }
.text-success { color: var(--neu-success); }
.text-error { color: var(--neu-error); }
.text-gold { color: var(--neu-gold); }

/* avoid horizontal scroll on small screens */
.neu-container { max-width: 480px; margin: 0 auto; }

@media (min-width: 768px) {
    .neu-container { max-width: 560px; }
}