/* === VARIABLES === */
:root {
    --blue:           #007AFF;
    --green:          #34C759;
    --orange:         #FF9500;
    --purple:         #AF52DE;
    --red:            #FF3B30;
    --amber:          #FFCC00;
    --bg:             #F2F2F7;
    --card:           rgba(255,255,255,0.92);
    --border:         rgba(0,0,0,0.06);
    --text:           #1C1C1E;
    --text-secondary: #8E8E93;
    --separator:      rgba(60,60,67,0.12);
}

* { box-sizing: border-box; }

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    padding-bottom: 3rem;
    min-height: 100svh;
}

/* === CARDS === */
.card {
    background: var(--card);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-radius: 18px;
    border: 1px solid var(--border);
    box-shadow: 0 2px 12px rgba(0,0,0,0.04), 0 1px 3px rgba(0,0,0,0.06);
    overflow: hidden;
}

/* === INPUT ROWS === */
.input-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 52px;
    padding: 0 18px;
    background: #fff;
    border-bottom: 0.5px solid var(--separator);
    transition: background 0.15s;
}
.input-row:last-child { border-bottom: none; }
.input-row:active     { background: #F5F5F5; }

.row-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
}
.row-label .icon { color: var(--text-secondary); }

/* === INPUTS === */
.field-wrap { display: flex; align-items: center; gap: 4px; }

.num-input {
    text-align: right;
    font-family: 'DM Mono', monospace;
    font-weight: 500;
    font-size: 16px;
    color: var(--blue);
    outline: none;
    width: 120px;
    background: transparent;
    border: none;
    padding: 4px 2px;
    border-radius: 8px;
    transition: background 0.15s, box-shadow 0.15s;
    /* type=text evita el punt de milers natiu dels navegadors */
    -webkit-appearance: none;
    appearance: none;
}
.num-input:focus       { background: rgba(0,122,255,0.06); box-shadow: 0 0 0 3px rgba(0,122,255,0.18); }
.num-input::placeholder { color: rgba(0,122,255,0.35); font-weight: 500; }

.num-input.green          { color: #1DB954; }
.num-input.green:focus    { background: rgba(29,185,84,0.06); box-shadow: 0 0 0 3px rgba(29,185,84,0.18); }
.num-input.green::placeholder { color: rgba(29,185,84,0.35); }

.num-input.red            { color: var(--red); }
.num-input.red:focus      { background: rgba(255,59,48,0.06); box-shadow: 0 0 0 3px rgba(255,59,48,0.18); }
.num-input.red::placeholder { color: rgba(255,59,48,0.3); }

.num-input.blue           { color: var(--blue); }
.num-input.blue:focus     { background: rgba(0,122,255,0.06); box-shadow: 0 0 0 3px rgba(0,122,255,0.18); }
.num-input.blue::placeholder { color: rgba(0,122,255,0.3); }

.num-input.expense          { color: var(--red); }
.num-input.expense:focus    { background: rgba(255,59,48,0.06); box-shadow: 0 0 0 3px rgba(255,59,48,0.18); }
.num-input.expense::placeholder { color: rgba(255,59,48,0.3); }

.num-input.invalid { color: var(--red); background: rgba(255,59,48,0.06); }

.euro { font-weight: 700; font-size: 13px; color: var(--text-secondary); }

/* === BIG NUMBER === */
.big-num {
    font-family: 'DM Mono', monospace;
    font-size: clamp(48px, 14vw, 68px);
    font-weight: 700;
    letter-spacing: -2px;
    color: var(--text);
    line-height: 1;
}
.big-num-col {
    font-family: 'DM Mono', monospace;
    font-size: clamp(36px, 10vw, 52px);
    font-weight: 700;
    letter-spacing: -2px;
    color: var(--text);
    line-height: 1;
}

/* === BADGE === */
.badge {
    display: inline-flex;
    align-items: center;
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 3px 9px;
    border-radius: 20px;
    background: rgba(0,122,255,0.1);
    color: var(--blue);
}

/* === PROGRESS BAR === */
.progress-bar {
    width: 100%; height: 8px;
    background: #E5E5EA; border-radius: 99px; overflow: hidden;
}
.progress-fill {
    height: 100%; border-radius: 99px;
    background: linear-gradient(90deg, #34C759, #30D158);
    transition: width 0.5s cubic-bezier(0.4,0,0.2,1);
}

/* === DISTRIBUTION BAR === */
.dist-bar {
    height: 32px; width: 100%;
    display: flex; border-radius: 12px; overflow: hidden;
    background: #E5E5EA;
}
.dist-seg { height: 100%; transition: width 0.5s cubic-bezier(0.4,0,0.2,1); }

/* === PAYMENT CARD === */
.payment-card {
    border-radius: 18px; padding: 18px 20px;
    display: flex; justify-content: space-between; align-items: center;
    border-left: 4px solid var(--blue);
    background: var(--card);
    border-top: 1px solid var(--border);
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 12px rgba(0,122,255,0.08);
    transition: border-color 0.3s, box-shadow 0.3s;
}
.payment-card.surplus { border-left-color: var(--green); box-shadow: 0 2px 12px rgba(52,199,89,0.12); }

/* === ALERT === */
.alert {
    border-radius: 14px; padding: 14px 16px;
    display: none; align-items: flex-start; gap: 12px; border-left: 4px solid;
}
.alert.show { display: flex; }
.alert-surplus { background: rgba(52,199,89,0.08); border-left-color: var(--green); }
.alert-surplus .alert-title { color: #1A7A3A; font-size: 14px; font-weight: 700; }
.alert-surplus .alert-body  { color: #2E7D52; font-size: 12px; margin-top: 2px; }

/* === SECTION HEADER === */
.section-label {
    font-size: 11px; font-weight: 800;
    text-transform: uppercase; letter-spacing: 0.1em;
    color: var(--text-secondary); padding: 0 4px;
}
.section-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 8px;
}
.section-header .section-label { margin-bottom: 0; }
.btn-section-add {
    width: 28px; height: 28px; border: none; cursor: pointer;
    background: rgba(0,0,0,0.05); border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-secondary); flex-shrink: 0; padding: 0;
    transition: background 0.15s, color 0.15s;
}
.btn-section-add:hover { background: rgba(0,122,255,0.1); color: var(--blue); }

/* === COOKIE BANNER === */
#cookieBanner {
    position: fixed; bottom: 0; left: 0; right: 0;
    background: rgba(28,28,30,0.96);
    backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    padding: 20px; display: flex; flex-direction: column; gap: 14px;
    border-top: 1px solid rgba(255,255,255,0.1);
    z-index: 1000; transition: transform 0.4s cubic-bezier(0.4,0,0.2,1);
}
#cookieBanner.hidden-banner { transform: translateY(100%); }
.cookie-text  { font-size: 13px; color: rgba(255,255,255,0.75); line-height: 1.5; }
.cookie-text strong { color: #fff; }
.cookie-actions { display: flex; gap: 10px; }
.btn-accept {
    flex: 1; background: var(--blue); color: #fff; border: none;
    border-radius: 12px; padding: 12px;
    font-family: 'DM Sans', sans-serif; font-weight: 700; font-size: 15px;
    cursor: pointer; transition: opacity 0.15s;
}
.btn-accept:active { opacity: 0.8; }
.btn-decline {
    background: rgba(255,255,255,0.1); color: rgba(255,255,255,0.7); border: none;
    border-radius: 12px; padding: 12px 20px;
    font-family: 'DM Sans', sans-serif; font-weight: 600; font-size: 15px;
    cursor: pointer; transition: opacity 0.15s; white-space: nowrap;
}

/* === COOKIE SETTINGS BUTTON === */
#cookieSettingsBtn {
    position: fixed; bottom: 16px; left: 16px;
    background: rgba(0,0,0,0.06); border: none; border-radius: 20px;
    padding: 6px 12px; font-size: 11px; font-weight: 700;
    color: var(--text-secondary); cursor: pointer;
    display: none; align-items: center; gap: 5px;
    z-index: 100; transition: background 0.15s;
}
#cookieSettingsBtn:hover { background: rgba(0,0,0,0.1); }

/* === TÍTOL EDITABLE === */
#titolActivitat {
    outline: none; border-radius: 8px;
    padding: 2px 4px; margin: -2px -4px;
    transition: background 0.15s; cursor: text; min-width: 40px;
}
#titolActivitat:hover { background: rgba(0,0,0,0.04); }
#titolActivitat:focus { background: rgba(0,122,255,0.06); box-shadow: 0 0 0 3px rgba(0,122,255,0.18); }
#titolActivitat:empty::before {
    content: "Nom de l'activitat";
    color: rgba(28,28,30,0.25); pointer-events: none;
}

/* === FILES DE COST DINÀMIQUES === */
.cost-row {
    justify-content: flex-start; gap: 6px; padding: 0 8px 0 6px;
}
.cost-row .num-input  { width: 90px; }
.cost-row.dragging    { opacity: 0.35; }
.cost-row.drag-over   { background: rgba(255,59,48,0.06); box-shadow: inset 0 2px 0 var(--red); }

.btn-drag {
    width: 20px; height: 28px; border: none; background: transparent; cursor: grab;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-secondary); flex-shrink: 0; padding: 0;
    opacity: 0.35; transition: opacity 0.15s;
}
.btn-drag:active { cursor: grabbing; }

.btn-del {
    width: 26px; height: 26px; border: none; background: transparent; cursor: pointer;
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    color: var(--text-secondary); flex-shrink: 0;
    opacity: 0; pointer-events: none;
    transition: opacity 0.15s, background 0.15s, color 0.15s; padding: 0;
}
.cost-row:focus-within    .btn-del,
.revenue-row:focus-within .btn-del,
.payment-row:focus-within .btn-del { opacity: 1; pointer-events: auto; }

@media (hover: hover) {
    .cost-row:hover    .btn-del,
    .revenue-row:hover .btn-del,
    .payment-row:hover .btn-del { opacity: 1; pointer-events: auto; }
    .btn-del:hover { background: rgba(255,59,48,0.1); color: var(--red); }
    .cost-row:hover    .btn-drag,
    .revenue-row:hover .btn-drag,
    .payment-row:hover .btn-drag { opacity: 1; }
}

/* === FILES DE PAGAMENT === */
.payment-row          { justify-content: flex-start; gap: 6px; padding: 0 8px 0 6px; }
.payment-row .num-input { width: 90px; }
.payment-row.dragging  { opacity: 0.35; }
.payment-row.drag-over { background: rgba(0,122,255,0.06); box-shadow: inset 0 2px 0 var(--blue); }

.btn-icon-pick {
    width: 30px; height: 30px; border: none;
    background: rgba(0,0,0,0.04); cursor: pointer; border-radius: 8px;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-secondary); flex-shrink: 0;
    transition: background 0.15s, color 0.15s; padding: 0;
}
.btn-icon-pick:hover { background: rgba(0,122,255,0.08); color: var(--blue); }

.concept-name {
    flex: 1; min-width: 0;
    font-family: 'DM Sans', sans-serif;
    font-size: 15px; font-weight: 600; color: var(--text);
    border: none; outline: none; background: transparent;
    padding: 2px 4px; border-radius: 6px; transition: background 0.15s;
}
.concept-name::placeholder { color: rgba(28,28,30,0.25); font-weight: 500; }
.concept-name:focus        { background: rgba(0,122,255,0.05); }

/* === FILES DE RECAPTACIÓ === */
.revenue-row {
    flex-direction: column; align-items: stretch;
    padding: 10px 8px 10px 6px; min-height: auto; gap: 6px;
}
.revenue-row.dragging  { opacity: 0.35; }
.revenue-row.drag-over { background: rgba(52,199,89,0.06); box-shadow: inset 0 2px 0 var(--green); }

.rev-top    { display: flex; align-items: center; gap: 6px; }
.rev-bottom { display: flex; align-items: center; gap: 5px; padding-left: 26px; flex-wrap: nowrap; }
.rev-bottom .num-input { width: 72px; font-size: 14px; }

.field-sign      { font-size: 12px; font-weight: 800; flex-shrink: 0; line-height: 1; }
.field-sign.pos  { color: var(--green); }
.field-sign.neg  { color: var(--red); }

.rev-net-wrap     { margin-left: auto; }
.rev-net          { font-family: 'DM Mono', monospace; font-size: 16px; font-weight: 700;
                    color: var(--green); white-space: nowrap; letter-spacing: -0.02em; }
.rev-net.negative { color: var(--red); }

/* === UNDO TOAST === */
#undoToast {
    position: fixed; bottom: 24px; left: 50%;
    transform: translateX(-50%) translateY(80px);
    background: #1C1C1E; color: #fff;
    border-radius: 14px; padding: 12px 18px;
    display: flex; align-items: center; gap: 14px;
    font-size: 14px; font-weight: 600; z-index: 600;
    box-shadow: 0 4px 24px rgba(0,0,0,0.28);
    transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
    white-space: nowrap; pointer-events: none;
}
#undoToast.show  { transform: translateX(-50%) translateY(0); pointer-events: auto; }
#undoToast .btn-undo {
    color: var(--amber); font-weight: 800; font-size: 14px;
    border: none; background: transparent; cursor: pointer; padding: 0;
    font-family: 'DM Sans', sans-serif;
}

/* === SELECTOR D'ICONES === */
#iconPickerBackdrop {
    display: none; position: fixed; inset: 0; z-index: 499;
    background: rgba(0,0,0,0.15);
}
#iconPicker {
    display: none; position: fixed; z-index: 500;
    top: 50%; left: 50%; transform: translate(-50%, -50%);
    background: #fff; border-radius: 20px;
    border: 1px solid var(--border);
    box-shadow: 0 8px 40px rgba(0,0,0,0.16);
    padding: 16px; width: min(276px, calc(100vw - 40px));
}
#iconPickerTitle {
    font-size: 11px; font-weight: 800; text-transform: uppercase;
    letter-spacing: 0.1em; color: var(--text-secondary);
    margin-bottom: 10px; display: block;
}
#iconGrid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px; }
.icon-opt {
    width: 44px; height: 44px; border: none;
    background: transparent; border-radius: 12px; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    color: var(--text-secondary); transition: background 0.1s, color 0.1s; padding: 0;
}
.icon-opt:hover    { background: rgba(0,122,255,0.08); color: var(--blue); }
.icon-opt.selected { background: rgba(0,122,255,0.12); color: var(--blue); }

/* === MEDIA QUERIES === */
@media (max-width: 380px) {
    .num-input  { width: 100px; font-size: 15px; }
    .rev-bottom { flex-wrap: wrap; row-gap: 6px; }
}
@media (min-width: 520px) {
    #cookieBanner {
        flex-direction: row; align-items: center;
        max-width: 560px; margin: 0 auto;
        left: 50%; right: auto; transform: translateX(-50%);
        border-radius: 18px 18px 0 0;
    }
    #cookieBanner.hidden-banner { transform: translateX(-50%) translateY(100%); }
    .cookie-text    { flex: 1; }
    .cookie-actions { flex-shrink: 0; }
}