/* Sistema de Presupuestos — mobile-first, botones grandes */

:root {
    --bg:        #14161f;
    --surface:   #1e2130;
    --surface-2: #272b3d;
    --border:    #343a52;
    --text:      #eef0f6;
    --text-dim:  #9aa1b9;
    --primary:   #4f7cff;
    --primary-h: #3d66e0;
    --green:     #34c98e;
    --red:       #e85d5d;
    --radius:    12px;
}

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

html, body { height: 100%; }

body {
    font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

[hidden] { display: none !important; }

.view {
    max-width: 680px;
    margin: 0 auto;
    padding: 16px 16px 120px;
    min-height: 100dvh;
}

/* ============ Botones ============ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    border: none;
    border-radius: var(--radius);
    padding: 14px 18px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    color: var(--text);
    background: var(--surface-2);
    transition: background .15s, transform .05s;
    -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--primary); }
.btn-primary:hover { background: var(--primary-h); }
.btn-secondary { background: var(--surface-2); border: 1px solid var(--border); }
.btn-ghost { background: transparent; color: var(--text-dim); border: 1px dashed var(--border); }
.btn-ghost:hover { color: var(--text); border-color: var(--text-dim); }
.btn-block { width: 100%; }

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border: none;
    border-radius: 50%;
    background: var(--surface-2);
    color: var(--text-dim);
    cursor: pointer;
}
.btn-icon:hover { color: var(--text); }
.btn-icon-danger:hover { color: var(--red); background: rgba(232,93,93,.12); }

/* ============ Login ============ */
#view-login {
    display: flex;
    align-items: center;
    justify-content: center;
    padding-bottom: 16px;
}
.login-box {
    width: 100%;
    max-width: 360px;
    text-align: center;
}
.login-logo { color: var(--primary); margin-bottom: 12px; }
.login-box h1 { font-size: 28px; margin-bottom: 6px; }
.login-sub { color: var(--text-dim); margin-bottom: 24px; }
.login-box input {
    width: 100%;
    padding: 15px 16px;
    font-size: 17px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--text);
    margin-bottom: 14px;
}
.login-box input:focus { outline: 2px solid var(--primary); border-color: transparent; }

.error-msg { color: var(--red); font-size: 14px; margin: -6px 0 12px; }

/* ============ Topbar ============ */
.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 18px;
}
.topbar h1 { font-size: 24px; flex: 1; }
.save-status { flex: 1; text-align: center; font-size: 13px; color: var(--text-dim); }

/* ============ Lista de presupuestos ============ */
.budget-list { display: flex; flex-direction: column; gap: 12px; }

.budget-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    cursor: pointer;
    transition: border-color .15s;
}
.budget-card:hover { border-color: var(--primary); }
.budget-card-info { min-width: 0; }
.budget-card-name {
    font-weight: 600;
    font-size: 17px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.budget-card-meta { color: var(--text-dim); font-size: 13px; margin-top: 4px; }
.budget-card-total { font-weight: 700; font-size: 17px; color: var(--green); white-space: nowrap; }

.empty-msg {
    text-align: center;
    color: var(--text-dim);
    margin-top: 60px;
    line-height: 1.6;
}

.fab {
    position: fixed;
    right: 20px;
    bottom: 24px;
    width: 62px;
    height: 62px;
    border: none;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(79,124,255,.4);
}
.fab:active { transform: scale(.95); }

/* ============ Editor ============ */
.editor-head { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.editor-head-row { display: flex; gap: 10px; }
.editor-head-row .input-client { flex: 1; min-width: 0; }

.pdf-opts { justify-content: flex-start; }
.opt-field {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-dim);
}
.opt-field input {
    width: 70px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 15px;
    padding: 8px 9px;
    text-align: center;
}
.opt-field input:focus { outline: none; border-color: var(--primary); }

.input-title, .input-client {
    width: 100%;
    border: 1px solid transparent;
    border-radius: var(--radius);
    background: var(--surface);
    color: var(--text);
    padding: 12px 14px;
}
.input-title { font-size: 20px; font-weight: 700; }
.input-client { font-size: 15px; color: var(--text-dim); }
.input-title:focus, .input-client:focus { outline: none; border-color: var(--primary); }

/* ============ Barra IA / voz ============ */
.ai-bar { display: flex; gap: 10px; margin-bottom: 14px; }
.ai-bar .btn { flex: 1; font-size: 15px; padding: 13px 10px; }

.btn-voice { background: var(--surface-2); border: 1px solid var(--border); }
.btn-voice.recording {
    background: rgba(232,93,93,.15);
    border-color: var(--red);
    color: var(--red);
    animation: pulse 1.2s infinite;
}
@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(232,93,93,.35); }
    50%      { box-shadow: 0 0 0 8px rgba(232,93,93,0); }
}

.ai-panel, .draft-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 14px;
    margin-bottom: 14px;
}
.ai-panel textarea {
    width: 100%;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 16px;
    font-family: inherit;
    padding: 12px;
    resize: vertical;
    margin-bottom: 10px;
}
.ai-panel textarea:focus { outline: 2px solid var(--primary); }
.ai-panel-actions { display: flex; gap: 10px; justify-content: flex-end; }
.ai-panel-actions .btn { padding: 10px 16px; font-size: 15px; }

.draft-title { font-size: 14px; color: var(--text-dim); margin-bottom: 10px; }
.draft-item {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    padding: 9px 4px;
    border-bottom: 1px solid var(--border);
    font-size: 15px;
}
.draft-item:last-of-type { border-bottom: none; margin-bottom: 10px; }
.draft-item-detail { color: var(--text-dim); white-space: nowrap; }
.draft-item-main { display: flex; flex-direction: column; min-width: 0; }
.draft-item-spec {
    color: var(--text-dim);
    font-size: 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ============ Tabla de items ============ */
.items-header {
    display: grid;
    grid-template-columns: 1fr 58px 64px 110px 36px;
    gap: 6px;
    padding: 0 4px 6px;
    font-size: 12px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: .04em;
}

.items-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 10px; }

.item-row {
    display: grid;
    grid-template-columns: 1fr 58px 64px 110px 36px;
    gap: 6px;
    align-items: center;
}
.item-row input {
    width: 100%;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 15px;
    padding: 11px 9px;
    min-width: 0;
}
.item-row input:focus { outline: none; border-color: var(--primary); }
.item-row input[type=number] { -moz-appearance: textfield; }
.item-row input::-webkit-outer-spin-button,
.item-row input::-webkit-inner-spin-button { -webkit-appearance: none; }

.item-extra {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: -2px;
    padding: 0 4px;
}
.item-subtotal { font-size: 12px; color: var(--text-dim); padding-right: 42px; }

.item-detail-toggle {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    border: none;
    background: transparent;
    color: var(--text-dim);
    font-size: 12px;
    cursor: pointer;
    padding: 3px 6px;
    border-radius: 6px;
}
.item-detail-toggle:hover, .item-detail-toggle.active { color: var(--primary); }

.f-detail {
    grid-column: 1 / -1;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
    padding: 9px 10px;
    resize: vertical;
}
.f-detail:focus { outline: none; border-color: var(--primary); }

.item-remove {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 40px;
    border: none;
    background: transparent;
    color: var(--text-dim);
    cursor: pointer;
    border-radius: 8px;
}
.item-remove:hover { color: var(--red); background: rgba(232,93,93,.1); }

/* ============ Precios base ============ */
.hint-msg {
    color: var(--text-dim);
    font-size: 13.5px;
    line-height: 1.5;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 14px;
    margin-bottom: 16px;
}
.prices-header, .price-row { grid-template-columns: 1fr 70px 110px 36px; }
.price-row {
    display: grid;
    gap: 6px;
    align-items: center;
}
.price-row input {
    width: 100%;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 15px;
    padding: 11px 9px;
    min-width: 0;
}
.price-row input:focus { outline: none; border-color: var(--primary); }
.price-row input[type=number] { -moz-appearance: textfield; }
.price-row input::-webkit-outer-spin-button,
.price-row input::-webkit-inner-spin-button { -webkit-appearance: none; }

/* ============ Sugerencias IA ============ */
.suggest-box {
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    bottom: 96px;
    width: calc(100% - 32px);
    max-width: 648px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    box-shadow: 0 -4px 24px rgba(0,0,0,.4);
    z-index: 30;
}
.suggest-chip {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 15px;
    padding: 11px 12px;
    cursor: pointer;
    text-align: left;
}
.suggest-chip:hover { border-color: var(--primary); }
.suggest-chip-price { color: var(--green); white-space: nowrap; font-weight: 600; }

/* ============ Total bar ============ */
.totalbar {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    background: var(--surface);
    border-top: 1px solid var(--border);
    padding: 14px 16px calc(14px + env(safe-area-inset-bottom));
    z-index: 20;
}
.totalbar .total-info { display: flex; flex-direction: column; }
.total-label { font-size: 11px; color: var(--text-dim); letter-spacing: .1em; }
.total-amount { font-size: 24px; font-weight: 800; color: var(--green); }
.totalbar .btn { padding: 13px 22px; }

/* Centrar el contenido del totalbar en pantallas grandes */
@media (min-width: 720px) {
    .totalbar { padding-left: calc(50% - 324px); padding-right: calc(50% - 324px); }
}

/* ============ Toast ============ */
.toast {
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    bottom: 100px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--text);
    padding: 12px 20px;
    border-radius: 30px;
    font-size: 15px;
    z-index: 50;
    box-shadow: 0 4px 16px rgba(0,0,0,.4);
    max-width: calc(100% - 40px);
    text-align: center;
}
.toast.error { border-color: var(--red); color: var(--red); }

.spin {
    animation: spin 1s linear infinite;
    display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }