/* =====================================================================
   ForgeFit — Design System
   Tema: forja antiga, oficina, bronze patinado, fundição
   ===================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@500;700;900&family=Oswald:wght@300;400;500;600;700&family=DM+Sans:wght@400;500;600;700&display=swap');

:root {
    /* Tons de fundo (preto fosco com calor) */
    --bg:           #0E0A06;
    --bg-2:         #1A130C;
    --bg-3:         #251A10;
    --bg-elev:      #2D2014;

    /* Bordas / divisores */
    --border:       #3A2A1A;
    --border-hi:    #4F3A24;

    /* Bronze — cor de marca */
    --bronze:       #C77B3F;
    --bronze-hi:    #E8964D;
    --bronze-dim:   #8A5526;
    --bronze-glow:  rgba(199, 123, 63, 0.25);

    /* Texto */
    --text:         #ECDFC8;
    --text-mut:     #9C8970;
    --text-dim:     #6B5942;

    /* Semânticas */
    --success:      #7FA85E;
    --danger:       #C9554B;
    --warning:      #D9A647;
    --info:         #6B95A8;

    /* Fontes */
    --font-brand:   'Cinzel', Georgia, serif;
    --font-head:    'Oswald', 'Arial Narrow', sans-serif;
    --font-body:    'DM Sans', system-ui, sans-serif;

    /* Sombras */
    --shadow-sm:    0 1px 2px rgba(0,0,0,0.4);
    --shadow:       0 4px 12px rgba(0,0,0,0.5);
    --shadow-lg:    0 12px 32px rgba(0,0,0,0.6);
    --inset-line:   inset 0 1px 0 rgba(255,222,170,0.05);
}

/* ---------------------------------------------------------------------
   Reset & base
   --------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html, body { height: 100%; }

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 15px;
    line-height: 1.5;
    color: var(--text);
    background-color: var(--bg);
    /* Textura sutil de grão */
    background-image:
        radial-gradient(circle at 20% 10%, rgba(199,123,63,0.04) 0%, transparent 50%),
        radial-gradient(circle at 80% 90%, rgba(199,123,63,0.03) 0%, transparent 50%),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85'/%3E%3CfeColorMatrix values='0 0 0 0 0.5 0 0 0 0 0.3 0 0 0 0 0.1 0 0 0 0.04 0'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)'/%3E%3C/svg%3E");
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

a {
    color: var(--bronze);
    text-decoration: none;
    transition: color .15s ease;
}
a:hover { color: var(--bronze-hi); }

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-head);
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    color: var(--text);
    margin: 0 0 .5em;
}

h1 { font-size: 2rem;   letter-spacing: .04em; }
h2 { font-size: 1.5rem; }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1em; }

hr {
    border: 0;
    border-top: 1px solid var(--border);
    margin: 1.5rem 0;
}

/* ---------------------------------------------------------------------
   Brand mark
   --------------------------------------------------------------------- */
.brand {
    font-family: var(--font-brand);
    font-weight: 700;
    font-size: 1.5rem;
    letter-spacing: .25em;
    text-transform: uppercase;
    color: var(--bronze);
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    text-shadow: 0 2px 8px var(--bronze-glow);
}
.brand::before {
    content: "⚒";
    font-size: 1.4em;
    color: var(--bronze-hi);
}

/* ---------------------------------------------------------------------
   Layout: sidebar + main
   --------------------------------------------------------------------- */
.app-shell {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 100%);
    border-right: 1px solid var(--border);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.sidebar .brand { padding: 0 1.5rem 1.5rem; display: flex; }

.nav { list-style: none; padding: 0; margin: 0; }
.nav li { margin: 0; }
.nav a {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: .75rem 1.5rem;
    color: var(--text-mut);
    font-family: var(--font-head);
    font-weight: 400;
    letter-spacing: .08em;
    text-transform: uppercase;
    font-size: .85rem;
    border-left: 3px solid transparent;
    transition: all .15s ease;
}
.nav a:hover {
    color: var(--text);
    background: rgba(199,123,63,0.05);
    border-left-color: var(--bronze-dim);
}
.nav a.active {
    color: var(--bronze-hi);
    background: linear-gradient(90deg, var(--bronze-glow) 0%, transparent 100%);
    border-left-color: var(--bronze);
}
.nav .ico { width: 18px; text-align: center; opacity: .7; }
.nav a.active .ico { opacity: 1; }

.nav-section {
    padding: 1rem 1.5rem .25rem;
    color: var(--text-dim);
    font-family: var(--font-head);
    font-size: .7rem;
    letter-spacing: .2em;
    text-transform: uppercase;
}

.sidebar-footer {
    margin-top: 2rem;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border);
    font-size: .8rem;
    color: var(--text-dim);
}

.main {
    padding: 2rem 2.5rem;
    max-width: 1400px;
    width: 100%;
}

/* ---------------------------------------------------------------------
   Page header
   --------------------------------------------------------------------- */
.page-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}
.page-head h1 { margin: 0; }
.page-head .subtitle {
    color: var(--text-mut);
    font-size: .9rem;
    margin-top: .25rem;
}

/* ---------------------------------------------------------------------
   Cards
   --------------------------------------------------------------------- */
.card {
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1.25rem;
    box-shadow: var(--shadow-sm), var(--inset-line);
    position: relative;
}
.card::before {
    /* topo bronze sutil */
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--bronze-dim), transparent);
    opacity: .4;
}

.card-title {
    font-family: var(--font-head);
    font-size: .8rem;
    letter-spacing: .15em;
    text-transform: uppercase;
    color: var(--text-mut);
    margin: 0 0 .5rem;
}

.metric-value {
    font-family: var(--font-head);
    font-size: 2.25rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1;
}
.metric-value .unit {
    font-size: .9rem;
    color: var(--text-mut);
    margin-left: .25rem;
    font-weight: 400;
}
.metric-sub {
    margin-top: .5rem;
    color: var(--text-mut);
    font-size: .85rem;
}

.grid {
    display: grid;
    gap: 1rem;
}
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) {
    .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ---------------------------------------------------------------------
   Botões — feel metálico
   --------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .5rem;
    padding: .65rem 1.25rem;
    font-family: var(--font-head);
    font-size: .9rem;
    font-weight: 500;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--text);
    background: linear-gradient(180deg, var(--bg-elev) 0%, var(--bg-2) 100%);
    border: 1px solid var(--border-hi);
    border-radius: 3px;
    cursor: pointer;
    transition: all .15s ease;
    text-decoration: none;
    box-shadow: var(--inset-line);
}
.btn:hover {
    background: linear-gradient(180deg, var(--bg-3) 0%, var(--bg-elev) 100%);
    border-color: var(--bronze-dim);
    color: var(--text);
}
.btn:active { transform: translateY(1px); }

.btn-primary {
    background: linear-gradient(180deg, var(--bronze-hi) 0%, var(--bronze) 100%);
    border-color: var(--bronze-dim);
    color: #1a0f06;
    font-weight: 700;
    box-shadow: 0 2px 8px var(--bronze-glow), var(--inset-line);
}
.btn-primary:hover {
    background: linear-gradient(180deg, #F2A357 0%, var(--bronze-hi) 100%);
    color: #1a0f06;
}

.btn-danger {
    border-color: var(--danger);
    color: var(--danger);
}
.btn-danger:hover { background: var(--danger); color: var(--bg); border-color: var(--danger); }

.btn-ghost {
    background: transparent;
    border-color: var(--border);
    color: var(--text-mut);
}
.btn-ghost:hover { color: var(--text); border-color: var(--border-hi); }

.btn-sm { padding: .4rem .8rem; font-size: .8rem; }
.btn-lg { padding: .9rem 1.75rem; font-size: 1rem; }
.btn-block { width: 100%; }

/* ---------------------------------------------------------------------
   Forms
   --------------------------------------------------------------------- */
.form-group { margin-bottom: 1.25rem; }

label {
    display: block;
    font-family: var(--font-head);
    font-size: .8rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--text-mut);
    margin-bottom: .4rem;
}

.form-control,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="time"],
select,
textarea {
    width: 100%;
    padding: .65rem .85rem;
    font-family: var(--font-body);
    font-size: .95rem;
    color: var(--text);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 3px;
    transition: border-color .15s, box-shadow .15s;
    appearance: none;
}
.form-control:focus,
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--bronze);
    box-shadow: 0 0 0 3px var(--bronze-glow);
}
textarea { resize: vertical; min-height: 100px; }
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%23C77B3F' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right .85rem center;
    padding-right: 2.25rem;
}

.form-hint {
    margin-top: .35rem;
    color: var(--text-dim);
    font-size: .8rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

/* ---------------------------------------------------------------------
   Flash messages
   --------------------------------------------------------------------- */
.flash {
    padding: .85rem 1rem;
    margin-bottom: 1rem;
    border-radius: 3px;
    border-left: 3px solid;
    font-size: .9rem;
    background: var(--bg-2);
}
.flash-sucesso { border-color: var(--success); color: #c4e0a8; }
.flash-erro    { border-color: var(--danger);  color: #f0a59c; }
.flash-aviso   { border-color: var(--warning); color: #f0d287; }
.flash-info    { border-color: var(--info);    color: #a8c6d6; }

/* ---------------------------------------------------------------------
   Tabela
   --------------------------------------------------------------------- */
.table {
    width: 100%;
    border-collapse: collapse;
}
.table th, .table td {
    padding: .75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
.table th {
    font-family: var(--font-head);
    font-size: .8rem;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--text-mut);
    background: var(--bg-2);
}
.table tbody tr:hover { background: rgba(199,123,63,0.03); }

/* ---------------------------------------------------------------------
   Auth pages (login/cadastro) — layout centralizado
   --------------------------------------------------------------------- */
.auth-shell {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
    background:
        radial-gradient(ellipse at top, rgba(199,123,63,0.08), transparent 60%),
        var(--bg);
}
.auth-box {
    width: 100%;
    max-width: 420px;
    padding: 2.5rem 2rem;
    background: var(--bg-2);
    border: 1px solid var(--border);
    border-radius: 4px;
    box-shadow: var(--shadow-lg), var(--inset-line);
    position: relative;
}
.auth-box::before {
    content: '';
    position: absolute;
    inset: 0 0 auto 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--bronze), transparent);
}
.auth-box .brand {
    display: flex;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.4rem;
}
.auth-box h1 {
    font-size: 1.25rem;
    text-align: center;
    color: var(--text-mut);
    letter-spacing: .15em;
    margin-bottom: 2rem;
    font-weight: 300;
}
.auth-link {
    text-align: center;
    margin-top: 1.25rem;
    color: var(--text-dim);
    font-size: .85rem;
}

/* ---------------------------------------------------------------------
   Bar de progresso
   --------------------------------------------------------------------- */
.progress {
    height: 8px;
    background: var(--bg);
    border-radius: 100px;
    overflow: hidden;
    border: 1px solid var(--border);
}
.progress > .bar {
    height: 100%;
    background: linear-gradient(90deg, var(--bronze-dim), var(--bronze));
    transition: width .4s ease;
}
.progress.danger > .bar { background: var(--danger); }
.progress.success > .bar { background: var(--success); }

/* ---------------------------------------------------------------------
   Utilitários
   --------------------------------------------------------------------- */
.text-mut { color: var(--text-mut); }
.text-dim { color: var(--text-dim); }
.text-bronze { color: var(--bronze); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: .5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-1 { gap: .5rem; }
.gap-2 { gap: 1rem; }

/* ---------------------------------------------------------------------
   Métricas — rótulo pequeno acima do valor
   --------------------------------------------------------------------- */
.metric-label {
    font-family: 'Oswald', sans-serif;
    text-transform: uppercase;
    letter-spacing: .12em;
    font-size: .72rem;
    color: var(--text-mut);
    margin-bottom: .25rem;
}

/* ---------------------------------------------------------------------
   Autocomplete (busca de alimentos)
   --------------------------------------------------------------------- */
.autocomplete {
    position: relative;
}
.autocomplete input[type="text"] {
    width: 100%;
}
.autocomplete-results {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-3);
    border: 1px solid var(--border);
    border-top: 0;
    border-radius: 0 0 6px 6px;
    max-height: 320px;
    overflow-y: auto;
    z-index: 50;
    display: none;
    box-shadow: 0 8px 24px rgba(0,0,0,.5);
}
.autocomplete-item {
    padding: .65rem .85rem;
    cursor: pointer;
    border-bottom: 1px solid var(--border);
    transition: background .15s;
}
.autocomplete-item:last-child { border-bottom: 0; }
.autocomplete-item:hover {
    background: var(--bronze-glow, rgba(199,123,63,.10));
}
.ac-nome {
    font-weight: 600;
    color: var(--text);
    margin-bottom: .2rem;
}
.ac-meta {
    font-size: .78rem;
    color: var(--text-mut);
}

/* link de refeição (item da lista do dia) */
.refeicao-link {
    color: var(--text);
    text-decoration: none;
    font-size: 1.05rem;
}
.refeicao-link:hover { color: var(--bronze-hi); }

/* sufixo de input (ex: "gramas") */
.form-suffix {
    align-self: center;
    color: var(--text-mut);
    font-size: .9rem;
    padding: 0 .5rem;
}

/* ---------------------------------------------------------------------
   Responsivo (mobile)
   --------------------------------------------------------------------- */
@media (max-width: 800px) {
    .app-shell { grid-template-columns: 1fr; }
    .sidebar {
        position: relative;
        height: auto;
        border-right: 0;
        border-bottom: 1px solid var(--border);
    }
    .sidebar .nav {
        display: flex;
        overflow-x: auto;
        scrollbar-width: none;
    }
    .sidebar .nav::-webkit-scrollbar { display: none; }
    .sidebar .nav a {
        border-left: 0;
        border-bottom: 3px solid transparent;
        white-space: nowrap;
    }
    .sidebar .nav a.active {
        border-left: 0;
        border-bottom-color: var(--bronze);
        background: linear-gradient(180deg, var(--bronze-glow) 0%, transparent 100%);
    }
    .nav-section, .sidebar-footer { display: none; }
    .main { padding: 1.25rem; }
    .page-head { flex-direction: column; align-items: flex-start; gap: 1rem; }
}