/* ============================================================
   Moji Računi — Soft Pop design system
   Playful display type + glass cards on a warm gradient
   ============================================================ */

:root {
    --ink: #1E0B2E;
    --ink-soft: rgba(30, 11, 46, 0.65);
    --mute: rgba(30, 11, 46, 0.55);
    --mute-weak: rgba(30, 11, 46, 0.25);
    --mute-line: rgba(30, 11, 46, 0.08);

    --coral: #FF5A52;
    --coral-deep: #E64740;
    --lime: #D4FF2E;
    --purple: #6D45FF;
    --sky: #7FD6FF;
    --mint: #6EE7B7;
    --mint-deep: #2BA66B;
    --amber: #E8A020;

    --glass-bg: rgba(255, 255, 255, 0.55);
    --glass-bg-strong: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.8);

    --page-bg: radial-gradient(1200px 900px at 20% 0%, #FFF4D8 0%, #FFE2C2 25%, #FFCADB 55%, #DAB8FF 100%);

    --radius-sm: 10px;
    --radius-md: 18px;
    --radius-lg: 22px;
    --radius-xl: 28px;

    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;

    --font-sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Archivo Black', 'Space Grotesk', sans-serif;
    --font-mono: 'Courier Prime', ui-monospace, 'SF Mono', monospace;

    --shadow-card: 0 10px 30px rgba(30, 11, 46, 0.08);
    --shadow-coral: 0 10px 30px rgba(255, 90, 82, 0.45);
    --shadow-lime: 0 10px 30px rgba(212, 255, 46, 0.35);
    --shadow-float: 0 15px 40px rgba(30, 11, 46, 0.12);
}

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

html, body {
    min-height: 100%;
}

body {
    font-family: var(--font-sans);
    color: var(--ink);
    background: var(--page-bg);
    background-attachment: fixed;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; }

/* ============ Glass utility ============ */

.glass {
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
}

.glass-strong {
    background: var(--glass-bg-strong);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
}

/* ============ Typography utilities ============ */

.display {
    font-family: var(--font-display);
    letter-spacing: -0.03em;
    line-height: 0.95;
}

.eyebrow {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--purple);
}

.mono {
    font-family: var(--font-mono);
}

/* ============ App scaffolding ============ */

.app-shell {
    max-width: 520px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    padding-bottom: calc(112px + env(safe-area-inset-bottom, 0));
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: var(--spacing-sm);
    padding: calc(env(safe-area-inset-top, 0) + 20px) 4px 14px;
}

.app-header .hello {
    font-size: 11px;
    font-weight: 800;
    color: var(--purple);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.app-header .page-title {
    font-family: var(--font-display);
    font-size: clamp(32px, 9vw, 40px);
    line-height: 0.9;
    margin-top: 6px;
    letter-spacing: -0.03em;
}

.avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--coral);
    color: #fff;
    font-weight: 800;
    font-size: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-coral);
    flex-shrink: 0;
    border: none;
    cursor: pointer;
    font-family: var(--font-sans);
}

.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: 14px;
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    color: var(--ink);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    text-decoration: none;
    font-size: 18px;
    font-family: var(--font-sans);
    transition: transform 0.15s;
}

.icon-btn:active {
    transform: scale(0.95);
}

.icon-btn svg {
    width: 18px;
    height: 18px;
}

.icon-btn.on-dark {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
    color: #fff;
}

/* ============ Tabs ============ */

.tabs {
    display: flex;
    gap: 8px;
    margin: 2px 4px 14px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.tabs::-webkit-scrollbar { display: none; }

.tab {
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    background: rgba(255, 255, 255, 0.5);
    color: var(--ink);
    cursor: pointer;
    border: none;
    font-family: var(--font-sans);
    white-space: nowrap;
    transition: transform 0.15s;
}

.tab:active { transform: scale(0.97); }

.tab.active {
    background: var(--ink);
    color: #fff;
}

/* ============ Buttons ============ */

.btn {
    padding: 14px 20px;
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border: none;
    text-decoration: none;
    transition: transform 0.15s, opacity 0.2s;
}

.btn:active { transform: scale(0.98); }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-primary {
    background: var(--ink);
    color: var(--lime);
    font-family: var(--font-display);
    font-size: 16px;
    letter-spacing: -0.01em;
}

.btn-coral {
    background: var(--coral);
    color: #fff;
    box-shadow: var(--shadow-coral);
}

.btn-lime {
    background: var(--lime);
    color: var(--ink);
    font-weight: 800;
}

.btn-ghost {
    background: #fff;
    color: var(--ink);
    border: 1px solid var(--mute-line);
    box-shadow: var(--shadow-card);
}

.btn-danger {
    background: transparent;
    color: var(--coral-deep);
    border: 1px solid rgba(230, 71, 64, 0.25);
}

.btn-block { width: 100%; }

/* ============ Form inputs ============ */

.form-group { margin-bottom: 14px; }

.form-label {
    display: block;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: var(--mute);
    margin-bottom: 6px;
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    background: rgba(255, 255, 255, 0.75);
    border: 1px solid var(--mute-line);
    border-radius: var(--radius-md);
    color: var(--ink);
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 500;
    transition: border-color 0.2s, background 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--purple);
    background: #fff;
}

.form-input::placeholder {
    color: var(--mute);
}

/* ============ Chips / pills ============ */

.chip {
    padding: 5px 10px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.5px;
    background: rgba(30, 11, 46, 0.06);
    color: var(--ink);
    border: none;
    cursor: pointer;
    font-family: var(--font-sans);
    transition: transform 0.15s;
}

.chip:active { transform: scale(0.96); }

.chip.active {
    background: var(--ink);
    color: var(--lime);
}

.chip.custom {
    background: rgba(109, 69, 255, 0.12);
    color: var(--purple);
}

.warranty-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 8px;
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.5px;
}

.w-active { background: var(--mint); color: var(--ink); }
.w-expiring { background: var(--lime); color: var(--ink); }
.w-expired { background: rgba(30, 11, 46, 0.12); color: var(--mute); }

/* ============ Alerts ============ */

.alert-error {
    background: rgba(230, 71, 64, 0.1);
    border: 1px solid rgba(230, 71, 64, 0.35);
    color: var(--coral-deep);
    padding: 12px 14px;
    border-radius: var(--radius-md);
    margin-bottom: 14px;
    font-size: 13px;
    font-weight: 600;
}

.alert-success {
    background: rgba(43, 166, 107, 0.1);
    border: 1px solid rgba(43, 166, 107, 0.35);
    color: var(--mint-deep);
    padding: 12px 14px;
    border-radius: var(--radius-md);
    margin-bottom: 14px;
    font-size: 13px;
    font-weight: 600;
}

/* ============ Cards ============ */

.card {
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    margin-bottom: 12px;
}

.card-title {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--mute);
    padding: 0 4px 8px;
}

/* ============ Floating Action Button ============ */

.fab {
    position: fixed;
    right: 22px;
    bottom: calc(22px + env(safe-area-inset-bottom, 0));
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--coral);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    font-family: var(--font-display);
    font-size: 32px;
    line-height: 0.8;
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-coral);
    transition: transform 0.15s;
    z-index: 100;
}

.fab:active { transform: scale(0.95); }

/* ============ Generic states ============ */

.loading,
.empty-state {
    text-align: center;
    padding: 48px var(--spacing-md);
    color: var(--mute);
    font-weight: 500;
}

.empty-state .emoji {
    font-size: 40px;
    margin-bottom: 12px;
    display: block;
}

/* ============ Accessibility ============ */

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
    outline: 2px solid var(--purple);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        transition: none !important;
        animation: none !important;
    }
}

/* ============ Search box ============ */

.search-box {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: var(--glass-bg);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
}

.search-box .search-icon {
    font-size: 16px;
    color: var(--mute);
}

.search-box input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-size: 14px;
    font-weight: 500;
    color: var(--ink);
    font-family: var(--font-sans);
    min-width: 0;
}

.search-box input::placeholder { color: var(--mute); }

.search-box .search-clear {
    color: var(--mute);
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    background: none;
    border: none;
    padding: 4px;
}