/* =============================================================
   GREINER FARMS — Design System
   v3
   ============================================================= */

/* ── Variables ──────────────────────────────────────────────── */
:root {
    --green-950: #052e16;
    --green-900: #14532d;
    --green-800: #166534;
    --green-700: #15803d;
    --green-600: #16a34a;
    --green-500: #22c55e;
    --green-300: #86efac;
    --green-200: #bbf7d0;
    --green-100: #dcfce7;
    --green-50:  #f0fdf4;

    --amber-700: #b45309;
    --amber-600: #d97706;
    --amber-500: #f59e0b;
    --amber-400: #fbbf24;
    --amber-200: #fde68a;
    --amber-100: #fef3c7;
    --amber-50:  #fffbeb;

    --red-600: #dc2626;
    --red-100: #fee2e2;
    --red-50:  #fef2f2;

    --slate-900: #0f172a;
    --slate-800: #1e293b;
    --slate-700: #334155;
    --slate-600: #475569;
    --slate-500: #64748b;
    --slate-400: #94a3b8;
    --slate-300: #cbd5e1;
    --slate-200: #e2e8f0;
    --slate-100: #f1f5f9;
    --slate-50:  #f8fafc;

    --r-xs: 4px;
    --r-sm: 6px;
    --r:    10px;
    --r-lg: 14px;

    --sh-xs: 0 1px 2px rgba(0,0,0,0.05);
    --sh-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
    --sh:    0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -1px rgba(0,0,0,0.04);
    --sh-md: 0 8px 24px -4px rgba(0,0,0,0.14), 0 4px 8px -2px rgba(0,0,0,0.08);
}

/* ── Reset ──────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Base ───────────────────────────────────────────────────── */
html { -webkit-text-size-adjust: 100%; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--slate-100);
    color: var(--slate-900);
    line-height: 1.5;
    font-size: 14px;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ── Header ─────────────────────────────────────────────────── */
.header {
    background: var(--green-900);
    border-bottom: 1px solid rgba(255,255,255,0.07);
    position: sticky;
    top: 0;
    z-index: 50;
}
.header-inner {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}
.brand { display: flex; align-items: center; gap: 0.75rem; flex-shrink: 0; }
.brand-icon {
    width: 36px; height: 36px; flex-shrink: 0;
    background: rgba(255,255,255,0.1);
    border-radius: var(--r-sm);
    display: flex; align-items: center; justify-content: center;
    color: var(--green-300);
}
.brand-icon svg { width: 18px; height: 18px; }
.brand-name { font-size: 0.95rem; font-weight: 700; color: #fff; letter-spacing: -0.01em; }
.brand-sub  { font-size: 0.68rem; color: rgba(255,255,255,0.45); margin-top: 1px; }

.nav { display: flex; gap: 0.2rem; }
.nav-link {
    text-decoration: none;
    color: rgba(255,255,255,0.65);
    font-size: 0.82rem; font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--r-sm);
    transition: all 0.15s;
    white-space: nowrap;
}
.nav-link:hover  { color: #fff; background: rgba(255,255,255,0.09); }
.nav-link.active { color: #fff; background: rgba(255,255,255,0.15); }

/* ── Mode Bar ───────────────────────────────────────────────── */
.mode-bar {
    background: #fff;
    border-bottom: 1px solid var(--slate-200);
    box-shadow: var(--sh-xs);
}
.mode-bar-inner {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0.6rem 2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}
.mode-toggle {
    display: flex;
    background: var(--slate-100);
    border-radius: var(--r-sm);
    padding: 3px;
    gap: 2px;
}
.mode-btn {
    display: flex; align-items: center; gap: 0.4rem;
    padding: 0.42rem 1rem;
    border-radius: var(--r-xs);
    border: none; background: transparent;
    color: var(--slate-500);
    font-size: 0.82rem; font-weight: 600;
    cursor: pointer; font-family: inherit;
    transition: all 0.15s;
    white-space: nowrap;
}
.mode-btn:hover  { color: var(--slate-700); }
.mode-btn.active { background: #fff; color: var(--green-800); box-shadow: var(--sh-xs); }
.mode-desc  { font-size: 0.78rem; color: var(--slate-400); }
.save-btn {
    display: flex; align-items: center; gap: 0.35rem;
    margin-left: auto;
    padding: 0.45rem 0.95rem;
    background: var(--green-700); color: #fff;
    border: none; border-radius: var(--r-sm);
    font-size: 0.78rem; font-weight: 600;
    cursor: pointer; font-family: inherit;
    transition: background 0.15s;
    white-space: nowrap;
}
.save-btn:hover { background: var(--green-900); }

/* ── Main layout ─────────────────────────────────────────────── */
.main {
    max-width: 1320px;
    margin: 0 auto;
    padding: 1.5rem 2rem 4rem;
}
.calc-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 1.25rem;
    align-items: start;
}
.hidden { display: none !important; }

/* ── Cards ──────────────────────────────────────────────────── */
.card {
    background: #fff;
    border: 1px solid var(--slate-200);
    border-radius: var(--r-lg);
    padding: 1.15rem 1.25rem;
    box-shadow: var(--sh-sm);
    margin-bottom: 1rem;
}
.card:last-child { margin-bottom: 0; }
.card-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 0.9rem;
}
.section-label {
    font-size: 0.7rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.07em;
    color: var(--slate-400);
}
.section-label-sub { font-size: 0.72rem; color: var(--slate-400); }

/* ── Form elements ──────────────────────────────────────────── */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.7rem;
}
.field { display: flex; flex-direction: column; gap: 0.3rem; }
label  { font-size: 0.78rem; font-weight: 600; color: var(--slate-700); }
.lsub  { font-weight: 400; color: var(--slate-400); font-size: 0.72rem; }

.input {
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--slate-300);
    border-radius: var(--r-sm);
    font-size: 0.9rem;
    font-family: inherit;
    color: var(--slate-900);
    background: #fff;
    width: 100%;
    transition: border-color 0.15s, box-shadow 0.15s;
    -webkit-appearance: none;
}
.input:focus {
    outline: none;
    border-color: var(--green-600);
    box-shadow: 0 0 0 3px rgba(22,163,74,0.12);
}
/* Prefix/suffix wrappers */
.pw                { position: relative; display: flex; align-items: center; }
.pw .pfx           { position: absolute; left: 0.72rem; color: var(--slate-400); font-size: 0.9rem; pointer-events: none; }
.pw .sfx           { position: absolute; right: 0.72rem; color: var(--slate-400); font-size: 0.9rem; pointer-events: none; }
.pw .input.pl      { padding-left: 1.6rem; }
.pw .input.pr      { padding-right: 1.9rem; }

select.input {
    cursor: pointer; appearance: none; -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%2394a3b8'%3E%3Cpath fill-rule='evenodd' d='M5.293 7.293a1 1 0 011.414 0L10 10.586l3.293-3.293a1 1 0 111.414 1.414l-4 4a1 1 0 01-1.414 0l-4-4a1 1 0 010-1.414z' clip-rule='evenodd'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.55rem center;
    background-size: 16px;
    padding-right: 2.2rem;
}
textarea.input {
    resize: vertical; min-height: 80px;
    font-family: inherit; line-height: 1.5;
}
input[type="range"] {
    width: 100%; margin-top: 0.2rem;
    accent-color: var(--green-600);
    cursor: pointer;
}
.range-desc { font-size: 0.72rem; color: var(--slate-400); margin-top: 0.3rem; }

.labor-pill {
    margin-top: 0.65rem;
    padding: 0.45rem 0.75rem;
    background: var(--green-50);
    border: 1px solid var(--green-100);
    border-radius: var(--r-sm);
    font-size: 0.75rem; color: var(--green-800); font-weight: 500;
}

/* ── Buttons ─────────────────────────────────────────────────── */
.add-btn {
    display: inline-flex; align-items: center; gap: 0.3rem;
    padding: 0.45rem 0.85rem;
    background: var(--green-50);
    border: 1px solid var(--green-200);
    border-radius: var(--r-sm);
    color: var(--green-800);
    font-size: 0.78rem; font-weight: 600;
    cursor: pointer; font-family: inherit;
    transition: all 0.15s;
    text-decoration: none;
}
.add-btn:hover { background: var(--green-100); border-color: var(--green-300); }

.submit-btn {
    display: inline-flex; align-items: center; gap: 0.35rem;
    padding: 0.55rem 1.25rem;
    background: var(--green-700); color: #fff;
    border: none; border-radius: var(--r-sm);
    font-size: 0.82rem; font-weight: 600;
    cursor: pointer; font-family: inherit;
    transition: background 0.15s;
    white-space: nowrap;
}
.submit-btn:hover { background: var(--green-800); }

.cancel-btn {
    display: inline-flex; align-items: center;
    padding: 0.55rem 1.1rem;
    background: transparent;
    border: 1px solid var(--slate-200);
    border-radius: var(--r-sm);
    color: var(--slate-600);
    font-size: 0.82rem; font-weight: 600;
    cursor: pointer; font-family: inherit;
    transition: all 0.15s;
}
.cancel-btn:hover { background: var(--slate-50); }

.icon-btn {
    display: flex; align-items: center; justify-content: center;
    width: 32px; height: 32px;
    background: transparent; border: none;
    border-radius: var(--r-sm);
    color: var(--slate-400); cursor: pointer;
    transition: all 0.15s;
}
.icon-btn:hover { background: var(--red-50); color: var(--red-600); }

/* ── Crop rows ───────────────────────────────────────────────── */
.crop-row {
    border: 1px solid var(--slate-200);
    border-radius: var(--r);
    padding: 0.8rem;
    margin-bottom: 0.6rem;
    background: var(--slate-50);
}
.crop-row.bottleneck { border-color: var(--amber-200); background: var(--amber-50); }
.crop-row-main {
    display: flex; gap: 0.6rem; align-items: flex-end;
}
.del-btn {
    background: transparent; border: none;
    color: var(--slate-400); cursor: pointer;
    padding: 0.45rem;
    border-radius: var(--r-sm);
    display: flex; align-items: center; justify-content: center;
    transition: all 0.15s; flex-shrink: 0;
}
.del-btn:hover { background: var(--red-50); color: var(--red-600); }
.crop-row-meta {
    display: flex; gap: 0.85rem; flex-wrap: wrap;
    margin-top: 0.5rem; padding-top: 0.5rem;
    border-top: 1px solid var(--slate-200);
}
.cmeta { font-size: 0.72rem; color: var(--slate-400); }
.cmeta strong { color: var(--slate-700); font-weight: 600; }
.cmeta.rev strong { color: var(--green-700); }
.labor-ok   { font-size: 0.72rem; font-weight: 600; color: var(--green-700); }
.labor-warn { font-size: 0.72rem; font-weight: 600; color: var(--amber-700); }

/* ── Allocation bar ─────────────────────────────────────────── */
.alloc-wrap {
    margin-top: 0.75rem; padding-top: 0.75rem;
    border-top: 1px dashed var(--slate-200);
}
.alloc-label {
    display: flex; justify-content: space-between;
    font-size: 0.72rem; color: var(--slate-400);
    margin-bottom: 0.35rem;
}
.alloc-total { font-weight: 700; }
.alloc-track {
    height: 5px; background: var(--slate-200);
    border-radius: 99px; overflow: hidden;
}
.alloc-fill {
    height: 100%; border-radius: 99px;
    background: var(--green-500);
    transition: width 0.2s, background 0.2s;
    max-width: 100%;
}
.alloc-warn { margin-top: 0.35rem; font-size: 0.72rem; color: var(--amber-600); }

/* ── ROI hero ────────────────────────────────────────────────── */
.roi-hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.85rem;
    margin-bottom: 1rem;
}
.hero-card { border-radius: var(--r-lg); padding: 1.1rem; }
.hero-card.gold  { background: var(--amber-50);  border: 1px solid var(--amber-200); }
.hero-card.green { background: var(--green-50);  border: 1px solid var(--green-200); }
.hero-lbl {
    font-size: 0.68rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.07em;
    color: var(--slate-400); margin-bottom: 0.28rem;
}
.hero-val {
    font-size: 1.9rem; font-weight: 800;
    letter-spacing: -0.03em; line-height: 1.05;
    color: var(--slate-900);
}
.hero-card.gold .hero-val { color: var(--amber-700); }
.hero-method { font-size: 0.67rem; color: var(--amber-600); opacity: 0.8; font-weight: 500; margin-top: 0.2rem; }
.hero-sub    { font-size: 0.73rem; color: var(--slate-400); margin-top: 0.18rem; }

/* ── Metrics list ────────────────────────────────────────────── */
.mlist { display: flex; flex-direction: column; }
.mrow {
    display: flex; justify-content: space-between; align-items: center;
    padding: 0.48rem 0;
    border-bottom: 1px solid var(--slate-100);
    gap: 0.5rem;
}
.mrow:last-child { border-bottom: none; }
.mname { font-size: 0.82rem; color: var(--slate-600); }
.mval  { font-size: 0.88rem; font-weight: 600; color: var(--slate-800); white-space: nowrap; }
.mrow.sub .mname { padding-left: 0.9rem; color: var(--slate-400); font-size: 0.77rem; }
.mrow.sub .mval  { font-size: 0.82rem; color: var(--slate-500); }
.mrow.total { border-top: 1px solid var(--slate-200); padding-top: 0.5rem; margin-top: 0.05rem; }
.mrow.total .mname { font-weight: 600; color: var(--slate-800); }
.mrow.total .mval  { font-size: 0.95rem; }
.tg { color: var(--green-700) !important; }
.tr { color: var(--red-600)   !important; }

/* ── Scenarios ───────────────────────────────────────────────── */
.scen-row { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0.55rem; }
.scen-card { border-radius: var(--r); padding: 0.8rem 0.7rem; text-align: center; }
.scen-card.w { background: var(--red-50);   border: 1px solid var(--red-100);   }
.scen-card.e { background: var(--slate-50); border: 1px solid var(--slate-200); }
.scen-card.b { background: var(--green-50); border: 1px solid var(--green-100); }
.scen-title {
    font-size: 0.67rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.05em;
    color: var(--slate-400); margin-bottom: 0.28rem;
}
.scen-val  { font-size: 0.93rem; font-weight: 700; color: var(--slate-800); }
.scen-card.w .scen-val { color: var(--red-600); }
.scen-card.b .scen-val { color: var(--green-700); }
.scen-roi  { font-size: 0.7rem; color: var(--slate-400); margin-top: 0.1rem; }

/* ── Goal mode ───────────────────────────────────────────────── */
.goal-target-card {
    background: linear-gradient(140deg, var(--green-950) 0%, var(--green-800) 100%);
    border-color: transparent;
    padding: 1.35rem 1.25rem;
}
.goal-target-card .section-label { color: rgba(255,255,255,0.5); margin-bottom: 0.6rem; }
.tgt-wrap { position: relative; display: flex; align-items: center; margin-bottom: 0.4rem; }
.tgt-pfx {
    position: absolute; left: 0.85rem;
    font-size: 1.6rem; font-weight: 800;
    color: rgba(255,255,255,0.35);
    pointer-events: none; line-height: 1;
}
.tgt-input {
    width: 100%;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--r);
    padding: 0.75rem 0.85rem 0.75rem 2.2rem;
    font-size: 1.75rem; font-weight: 800;
    color: #fff; font-family: inherit;
    letter-spacing: -0.02em;
    -webkit-appearance: none;
    transition: border-color 0.15s;
}
.tgt-input:focus { outline: none; border-color: rgba(255,255,255,0.4); background: rgba(255,255,255,0.12); }
.tgt-input::placeholder { color: rgba(255,255,255,0.25); }
.tgt-sub { font-size: 0.8rem; color: rgba(255,255,255,0.45); }

.solve-options { display: flex; flex-direction: column; gap: 0.5rem; }
.solve-opt {
    display: flex; align-items: center; gap: 0.7rem;
    padding: 0.8rem 0.95rem;
    border: 1px solid var(--slate-200);
    border-radius: var(--r);
    cursor: pointer;
    transition: all 0.15s;
    background: #fff;
}
.solve-opt:hover  { border-color: var(--green-300); background: var(--green-50); }
.solve-opt.active { border-color: var(--green-600); background: var(--green-50); }
.solve-opt input[type="radio"] { accent-color: var(--green-600); flex-shrink: 0; width: 16px; height: 16px; }
.sopt-title { font-size: 0.83rem; font-weight: 600; color: var(--slate-800); }
.sopt-desc  { font-size: 0.72rem; color: var(--slate-400); margin-top: 1px; }

.goal-hero {
    background: linear-gradient(140deg, var(--slate-900), var(--slate-800));
    border-radius: var(--r-lg);
    padding: 1.5rem;
    margin-bottom: 1rem;
    text-align: center;
}
.gh-label {
    font-size: 0.68rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.07em;
    color: rgba(255,255,255,0.4); margin-bottom: 0.35rem;
}
.gh-value {
    font-size: 3.2rem; font-weight: 800;
    letter-spacing: -0.04em; line-height: 1;
    color: var(--amber-400); margin-bottom: 0.35rem;
}
.gh-sub { font-size: 0.78rem; color: rgba(255,255,255,0.35); }

.note-card {
    display: flex; gap: 0.65rem; align-items: flex-start;
    background: var(--slate-50); border-color: var(--slate-200);
}
.note-icon { font-size: 0.9rem; color: var(--slate-400); flex-shrink: 0; padding-top: 1px; }
.note-text  { font-size: 0.75rem; color: var(--slate-500); line-height: 1.6; }

/* ── Data pages (Crops / Expenses) ──────────────────────────── */
.page-wrap {
    max-width: 1320px;
    margin: 0 auto;
    padding: 1.5rem 2rem 4rem;
}
.page-hdr {
    display: flex; align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    flex-wrap: wrap; gap: 0.65rem;
}
.page-title { font-size: 1.15rem; font-weight: 700; color: var(--slate-900); }
.page-sub   { font-size: 0.8rem;  color: var(--slate-400); margin-top: 0.15rem; }

.data-card {
    background: #fff;
    border: 1px solid var(--slate-200);
    border-radius: var(--r-lg);
    box-shadow: var(--sh-sm);
    overflow: hidden;
}
.data-table { width: 100%; border-collapse: collapse; }
.data-table th {
    padding: 0.62rem 1rem;
    font-size: 0.68rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.07em;
    color: var(--slate-400); background: var(--slate-50);
    border-bottom: 1px solid var(--slate-200);
    text-align: left; white-space: nowrap;
}
.data-table td {
    padding: 0.65rem 1rem;
    font-size: 0.83rem;
    border-bottom: 1px solid var(--slate-100);
    color: var(--slate-700);
    vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: var(--slate-50); }
.data-table .input {
    padding: 0.35rem 0.6rem;
    font-size: 0.83rem;
    background: var(--slate-50);
    max-width: 110px;
}
.unit-badge {
    display: inline-block;
    padding: 0.13rem 0.48rem;
    background: var(--slate-100);
    border-radius: 99px;
    font-size: 0.72rem; color: var(--slate-600); font-weight: 500;
}
.table-total {
    padding: 0.75rem 1rem;
    border-top: 2px solid var(--slate-200);
    background: var(--slate-50);
    display: flex; justify-content: space-between; align-items: center;
}
.table-total-lbl { font-size: 0.8rem;  font-weight: 600; color: var(--slate-600); }
.table-total-val { font-size: 1rem;    font-weight: 700; color: var(--slate-900); }

.add-form-card {
    background: #fff;
    border: 1px solid var(--slate-200);
    border-radius: var(--r-lg);
    padding: 1.15rem 1.25rem;
    box-shadow: var(--sh-sm);
    margin-top: 1rem;
}
.add-form-title {
    font-size: 0.7rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.07em;
    color: var(--slate-400); margin-bottom: 0.9rem;
}
.form-flex {
    display: flex; gap: 0.65rem;
    flex-wrap: wrap; align-items: flex-end;
}
.form-flex .field { flex: 1; min-width: 120px; }

/* ── History page ────────────────────────────────────────────── */
.hist-list { display: flex; flex-direction: column; gap: 0.85rem; }
.hist-card {
    background: #fff;
    border: 1px solid var(--slate-200);
    border-radius: var(--r-lg);
    box-shadow: var(--sh-sm);
    overflow: hidden;
}
.hist-card-top {
    display: flex; align-items: flex-start;
    justify-content: space-between;
    padding: 1rem 1.25rem 0.75rem;
    gap: 1rem;
}
.hist-card-left { flex: 1; min-width: 0; }
.hist-title { font-size: 0.95rem; font-weight: 700; color: var(--slate-900); margin-bottom: 0.2rem; }
.hist-meta  { font-size: 0.72rem; color: var(--slate-400); display: flex; gap: 0.6rem; flex-wrap: wrap; align-items: center; margin-top: 0.2rem; }
.hist-desc  { font-size: 0.78rem; color: var(--slate-500); margin-top: 0.4rem; line-height: 1.5; }
.mode-badge {
    display: inline-flex; align-items: center;
    padding: 0.15rem 0.55rem;
    border-radius: 99px; font-size: 0.67rem; font-weight: 700;
    text-transform: uppercase; letter-spacing: 0.05em;
}
.mode-badge.roi  { background: var(--green-100); color: var(--green-800); }
.mode-badge.goal { background: var(--amber-100); color: var(--amber-700); }

.hist-metrics {
    display: flex; gap: 1.5rem; flex-wrap: wrap;
    padding: 0.65rem 1.25rem;
    background: var(--slate-50);
    border-top: 1px solid var(--slate-100);
    border-bottom: 1px solid var(--slate-100);
}
.hist-metric-item { display: flex; flex-direction: column; gap: 0.1rem; }
.hist-metric-lbl  { font-size: 0.65rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--slate-400); }
.hist-metric-val  { font-size: 0.88rem; font-weight: 700; color: var(--slate-800); }
.hist-metric-val.tg { color: var(--green-700); }
.hist-metric-val.tr { color: var(--red-600);   }
.hist-metric-val.ta { color: var(--amber-700); }

.hist-actions {
    display: flex; gap: 0.5rem; align-items: center;
    padding: 0.7rem 1.25rem;
    border-top: 1px solid var(--slate-100);
}
.hist-action-btn {
    display: inline-flex; align-items: center; gap: 0.3rem;
    padding: 0.45rem 0.9rem;
    border-radius: var(--r-sm);
    font-size: 0.78rem; font-weight: 600;
    cursor: pointer; border: 1px solid;
    font-family: inherit; text-decoration: none;
    transition: all 0.15s; white-space: nowrap;
}
.hist-action-btn.load { background: var(--green-50); border-color: var(--green-200); color: var(--green-800); }
.hist-action-btn.load:hover { background: var(--green-100); border-color: var(--green-300); }
.hist-action-btn.pdf  { background: var(--slate-50); border-color: var(--slate-200); color: var(--slate-600); }
.hist-action-btn.pdf:hover  { background: var(--slate-100); border-color: var(--slate-300); }
.hist-action-btn.del  { background: transparent; border-color: transparent; color: var(--slate-400); margin-left: auto; }
.hist-action-btn.del:hover  { background: var(--red-50); border-color: var(--red-100); color: var(--red-600); }

/* ── Modal ───────────────────────────────────────────────────── */
.modal-overlay {
    display: none;                      /* hidden by default */
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    align-items: center;
    justify-content: center;
    padding: 1rem;
}
.modal-overlay.open {
    display: flex;                      /* shown by JS adding .open */
}
.modal {
    background: #fff;
    border-radius: var(--r-lg);
    width: 100%;
    max-width: 440px;
    box-shadow: var(--sh-md);
}
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--slate-200);
}
.modal-title { font-size: 0.92rem; font-weight: 700; color: var(--slate-900); }
.modal-close {
    display: flex; align-items: center; justify-content: center;
    width: 30px; height: 30px;
    background: none; border: none; color: var(--slate-400);
    cursor: pointer; font-size: 1.1rem; line-height: 1;
    border-radius: var(--r-sm);
    transition: all 0.15s;
}
.modal-close:hover { color: var(--slate-700); background: var(--slate-100); }
.modal-body {
    padding: 1.25rem;
    display: flex; flex-direction: column; gap: 0.8rem;
}
.modal-footer {
    padding: 0.85rem 1.25rem;
    border-top: 1px solid var(--slate-200);
    display: flex; justify-content: flex-end; gap: 0.5rem;
}

/* =============================================================
   RESPONSIVE — Mobile styles
   Everything below overrides the desktop defaults above.
   ============================================================= */

/* Collapse two-column layout at 900px */
@media (max-width: 900px) {
    .calc-grid { grid-template-columns: 1fr; }
}

/* ── 768px and below ── */
@media (max-width: 768px) {

    /* CRITICAL: prevent iOS Safari from zooming on input focus */
    .input, select.input, textarea.input { font-size: 16px !important; }
    .tgt-input { font-size: 1.35rem !important; }

    /* Header: brand row + nav row */
    .header-inner {
        height: auto;
        padding: 0.6rem 1rem;
        flex-wrap: wrap;
        gap: 0;
    }
    .brand { width: 100%; padding-bottom: 0.4rem; }
    .brand-sub { display: none; }
    .nav {
        width: 100%;
        border-top: 1px solid rgba(255,255,255,0.08);
        padding-top: 0.3rem;
        gap: 0.15rem;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
    }
    .nav::-webkit-scrollbar { display: none; }
    .nav-link {
        flex: 1;
        text-align: center;
        padding: 0.48rem 0.5rem;
        font-size: 0.75rem;
        min-height: 38px;
        display: flex; align-items: center; justify-content: center;
    }

    /* Mode bar: stack mode toggle and save button */
    .mode-bar-inner { padding: 0.6rem 1rem; gap: 0.55rem; }
    .mode-toggle { flex: 1; }
    .mode-btn    { flex: 1; justify-content: center; font-size: 0.78rem; padding: 0.45rem 0.4rem; }
    .mode-desc   { display: none; }
    .save-btn    { margin-left: 0; }

    /* Page padding */
    .main, .page-wrap { padding: 0.85rem 0.9rem 3rem; }

    /* Collapse two-column input grids */
    .grid-2 { grid-template-columns: 1fr; }

    /* ── CROP ROW: use CSS grid so inline flex values are ignored ── */
    .crop-row-main {
        display: grid;
        grid-template-columns: 1fr 1fr auto;
        grid-template-rows: auto auto;
        gap: 0.5rem;
        align-items: end;
    }
    /* Row 1: crop select spans cols 1–2, delete is col 3 */
    .crop-row-main > .field:nth-child(1) { grid-column: 1 / 3; grid-row: 1; }
    .crop-row-main > .del-btn            { grid-column: 3;     grid-row: 1; align-self: end; }
    /* Row 2: % labor col 1, acres cols 2–3 */
    .crop-row-main > .field:nth-child(2) { grid-column: 1;     grid-row: 2; }
    .crop-row-main > .field:nth-child(3) { grid-column: 2 / 4; grid-row: 2; }

    /* Ensure usable touch targets */
    .del-btn, .icon-btn { min-width: 44px; min-height: 44px; }
    .add-btn, .submit-btn, .save-btn { min-height: 44px; }

    /* ROI hero: stack cards */
    .roi-hero { grid-template-columns: 1fr; gap: 0.6rem; }
    .hero-val { font-size: 1.8rem; }

    /* Scenarios: full-width horizontal rows */
    .scen-row { grid-template-columns: 1fr; gap: 0.4rem; }
    .scen-card {
        display: flex; align-items: center;
        justify-content: space-between;
        text-align: left; padding: 0.65rem 0.9rem;
    }
    .scen-title { margin-bottom: 0; flex-shrink: 0; margin-right: 0.5rem; }
    .scen-val   { font-size: 1rem; }
    .scen-roi   { margin-top: 0; }

    /* Goal */
    .gh-value   { font-size: 2.8rem; }
    .tgt-pfx    { font-size: 1.25rem; left: 0.75rem; }
    .tgt-input  { padding-left: 1.85rem !important; }

    /* Data tables: horizontal scroll */
    .data-card  { overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .data-table { min-width: 520px; }

    /* Add forms: stack vertically, full-width button */
    .form-flex           { flex-direction: column; gap: 0.6rem; }
    .form-flex .field    { flex: unset; min-width: unset; width: 100%; }
    .form-flex .submit-btn { width: 100%; justify-content: center; padding: 0.75rem; }

    /* History */
    .hist-card-top   { flex-direction: column; }
    .hist-metrics    { gap: 0.75rem; }
    .hist-actions    { flex-wrap: wrap; gap: 0.45rem; }
    .hist-action-btn { flex: 1; justify-content: center; min-height: 44px; }
    .hist-action-btn.del { margin-left: 0; flex: 0 0 100%; }

    /* Modal: full width on mobile */
    .modal { max-width: 100%; border-radius: var(--r); }
    .modal-overlay { align-items: flex-end; padding: 0; }
    .modal { border-bottom-left-radius: 0; border-bottom-right-radius: 0; }
}

/* ── 420px and below ── */
@media (max-width: 420px) {
    .brand-name      { font-size: 0.88rem; }
    .hero-val        { font-size: 1.5rem; }
    .gh-value        { font-size: 2.3rem; }
    .hist-metric-val { font-size: 0.8rem; }
    .hist-metrics    { gap: 0.55rem; }
}