/* ==========================================================================
   O Frasco do Rodrigo — Dark Fitness Dashboard
   ========================================================================== */

/* ---------- Reset & Base ---------- */

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

[hidden] {
    display: none !important;
}

:root {
    --bg-body: #0a0a0f;
    --bg-card: #111118;
    --bg-card-hover: #16161e;
    --bg-surface: #1a1a24;

    --accent-green: #00e676;
    --accent-red: #ff5252;
    --accent-gold: #ff9800;
    --accent-blue: #40c4ff;

    --text-primary: #f0f0f5;
    --text-secondary: #9a9ab0;
    --text-muted: #55556a;

    --border: rgba(255, 255, 255, 0.06);

    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 4px;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);

    --font: 'Inter', system-ui, -apple-system, 'Helvetica Neue', sans-serif;

    /* Week progress ring */
    --week-ring-circumference: 534.07; /* 2 * PI * 85 */
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font);
    background: var(--bg-body);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
}

#app {
    max-width: 1100px;
    margin: 0 auto;
    padding: 1rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ---------- Typography ---------- */

h1 {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

h2 {
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

/* ---------- Header ---------- */

#header {
    display: flex;
    align-items: center;
    padding: 1rem 0.5rem;
    gap: 1rem;
}

.header-logo {
    width: 160px;
    height: auto;
    display: block;
    border-radius: var(--radius-xs);
}

.header-center {
    flex: 1;
    min-width: 0;
}

#header h1 {
    color: #ffffff;
}

.subtitle {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
    margin-top: 0.15rem;
    font-style: italic;
}

.header-icons {
    display: flex;
    gap: 0.25rem;
    flex-shrink: 0;
}

.icon-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.icon-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
}

#gear-btn.authenticated {
    color: var(--accent-gold);
}

/* ---------- Cards ---------- */

.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid var(--border);
}

/* ---------- Dashboard Grid (Desktop) ---------- */

@media (min-width: 900px) {
    #app {
        padding: 1rem 2rem;
        justify-content: center;
    }

    #dashboard {
        display: grid;
        grid-template-columns: 280px 1fr 280px;
        grid-template-rows: 1fr;
        gap: 1rem;
        align-items: stretch;
    }

    #jar-section {
        grid-column: 1;
        grid-row: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    #current-week {
        grid-column: 2;
        grid-row: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    #streak-section {
        grid-column: 3;
        grid-row: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }


    .card {
        margin-bottom: 0;
    }
}

/* ---------- Admin Modal ---------- */

#modal-admin .action-buttons {
    flex-direction: column;
}

#modal-admin .action-buttons .btn {
    min-width: auto;
}

/* ---------- Buttons ---------- */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    font-family: var(--font);
    font-size: 0.85rem;
    font-weight: 700;
    padding: 0.6rem 1.2rem;
    border: 1.5px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-primary {
    background: var(--accent-green);
    color: #0a0a0f;
}

.btn-primary:hover:not(:disabled) {
    background: #69f0ae;
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-surface);
    color: var(--text-primary);
    border-color: var(--border);
}

.btn-secondary:hover:not(:disabled) {
    border-color: rgba(255, 255, 255, 0.15);
    background: var(--bg-card-hover);
}

.btn-danger {
    background: var(--accent-red);
    color: #fff;
}

.btn-danger:hover:not(:disabled) {
    background: #ff867c;
    transform: translateY(-1px);
}

.btn-big {
    width: 100%;
    font-size: 0.95rem;
    padding: 0.85rem;
}

.btn-logged {
    background: rgba(0, 230, 118, 0.1);
    color: var(--accent-green);
    border: 2px solid var(--accent-green);
    cursor: default;
}

.btn-logged:hover {
    transform: none;
}

.error-text {
    color: var(--accent-red);
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

.success-text {
    color: var(--accent-green);
    font-size: 0.85rem;
    margin-top: 0.5rem;
}

/* ---------- Balance Card ---------- */

#jar-section {
    text-align: center;
    padding: 1.5rem;
}

#jar-amount {
    font-size: 2.5rem;
    font-weight: 900;
    letter-spacing: -1px;
    margin-top: 0.4rem;
    line-height: 1.2;
}

#jar-amount.positive {
    color: var(--accent-green);
    text-shadow: 0 0 20px rgba(0, 230, 118, 0.2);
}

#jar-amount.negative {
    color: var(--accent-red);
    text-shadow: 0 0 20px rgba(255, 82, 82, 0.2);
}

#jar-amount.zero {
    color: var(--text-primary);
}

#jar-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}


/* ---------- Week Progress Ring ---------- */

#week-ring-container {
    position: relative;
    display: inline-block;
    margin-bottom: 0.75rem;
}

.week-progress-ring {
    display: block;
    width: 170px;
    height: 170px;
    transform: rotate(-90deg);
}

.ring-bg {
    fill: none;
    stroke: var(--bg-surface);
    stroke-width: 12;
}

.week-ring-progress {
    fill: none;
    stroke: url(#week-grad-low);
    stroke-width: 12;
    stroke-linecap: round;
    stroke-dasharray: var(--week-ring-circumference);
    stroke-dashoffset: var(--week-ring-circumference);
    transition: stroke-dashoffset 1s ease-out, stroke 0.5s ease;
    --week-ring-pct: 0;
    stroke-dashoffset: calc(var(--week-ring-circumference) - (var(--week-ring-pct) / 100) * var(--week-ring-circumference));
    filter: drop-shadow(0 0 6px rgba(255, 152, 0, 0.3));
}

.week-ring-progress.good {
    stroke: url(#week-grad-good);
    filter: drop-shadow(0 0 6px rgba(0, 230, 118, 0.3));
}

#week-ring-label {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.4rem;
    font-weight: 900;
    color: var(--text-primary);
    white-space: nowrap;
    text-align: center;
    line-height: 1.3;
}

.week-ring-sublabel {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}


/* ---------- Current Week ---------- */

#current-week {
    text-align: center;
}

.week-dates {
    text-align: center;
    font-size: 0.7rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.week-dots {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
}

.dot-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bg-surface);
    transition: all 0.3s;
    cursor: pointer;
}

.dot.filled {
    background: var(--accent-green);
    box-shadow: 0 0 6px rgba(0, 230, 118, 0.35);
}

.dot.missed {
    background: var(--accent-red);
}

.dot.today {
    background: transparent;
    border: 1px solid var(--text-muted);
}

.dot.today.filled {
    background: var(--accent-green);
    box-shadow: 0 0 6px rgba(0, 230, 118, 0.35);
}

.dot.future {
    background: var(--bg-surface);
}

.dot-label {
    font-size: 0.5rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

/* ---------- Streak ---------- */

.streak-display {
    text-align: center;
}

.streak-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--text-primary);
    line-height: 1.1;
}

.streak-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

/* ---------- Projection ---------- */

.projection-text {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-top: 0.85rem;
}

.projection-text.positive {
    color: var(--accent-green);
    opacity: 0.6;
}

.projection-text.negative {
    color: var(--accent-red);
    opacity: 0.6;
}

/* ---------- Settings modal ---------- */

.settings-section {
    margin-bottom: 0;
}

.settings-section-title {
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin: 0 0 0.85rem;
}

.settings-hint {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 400;
    margin-left: 0.25rem;
    opacity: 0.85;
}

.settings-divider {
    border: none;
    border-top: 1px solid var(--bg-surface);
    margin: 1.25rem 0;
}

.success-text {
    font-size: 0.8rem;
    color: var(--accent-green);
    margin-top: 0.5rem;
}

/* ---------- Actions ---------- */

.action-buttons {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.action-buttons .btn {
    flex: 1;
    min-width: 140px;
}

/* ---------- History ---------- */

.history-week {
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    padding: 1rem;
    margin-bottom: 0.75rem;
    border-left: 4px solid var(--text-muted);
    cursor: pointer;
    transition: background 0.2s;
}

.history-week:hover {
    background: var(--bg-card-hover);
}

.history-week.good {
    border-left-color: var(--accent-green);
}

.history-week.neutral {
    border-left-color: var(--accent-blue);
}

.history-week.bad {
    border-left-color: var(--accent-red);
}

.history-week-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.25rem;
}

.history-week-dates {
    font-size: 0.85rem;
    font-weight: 600;
}

.history-week-result {
    font-size: 0.9rem;
    font-weight: 700;
}

.history-week-result.positive {
    color: var(--accent-green);
}

.history-week-result.negative {
    color: var(--accent-red);
}

.history-week-result.zero {
    color: var(--text-muted);
}

.history-week-days {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.history-week-detail {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
    display: none;
}

.history-week.expanded .history-week-detail {
    display: block;
}

.history-day {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    padding: 0.2rem 0;
    color: var(--text-secondary);
}

.history-day-who {
    color: var(--accent-blue);
}

/* Withdrawal items */
.history-withdrawal {
    background: var(--bg-surface);
    border-radius: var(--radius-sm);
    padding: 1rem;
    margin-bottom: 0.75rem;
    border-left: 4px solid var(--accent-gold);
}

.history-withdrawal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.history-withdrawal-amount {
    font-weight: 700;
    color: var(--accent-gold);
}

.history-withdrawal-note {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* ---------- Rules ---------- */

.rules-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1rem;
}

.rules-table th,
.rules-table td {
    padding: 0.5rem 0.75rem;
    text-align: left;
    font-size: 0.9rem;
}

.rules-table th {
    color: var(--text-muted);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-bottom: 1px solid var(--border);
}

.rule-bad td { color: var(--accent-red); }
.rule-neutral td { color: var(--text-muted); }
.rule-good td { color: var(--accent-green); }
.rule-great td { color: var(--accent-green); font-weight: 700; }

.rules-extras {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.rules-extras p {
    margin-bottom: 0.4rem;
}

/* ---------- Modals ---------- */

.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 1rem;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.5rem;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
    border: 1px solid var(--border);
    position: relative;
    z-index: 101;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1.25rem;
}

.modal-header h3 {
    margin-bottom: 0;
}

.modal-close {
    flex-shrink: 0;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.35rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.modal-close:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
}

.modal label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
    margin-top: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.modal input {
    display: block;
    width: 100%;
    background: var(--bg-surface);
    border: 2px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font);
    font-size: 1rem;
    padding: 0.6rem 0.75rem;
    outline: none;
    transition: border-color 0.2s;
}

.modal input:focus {
    border-color: var(--accent-gold);
}

#modal-pin input {
    text-align: center;
    font-size: 1.5rem;
    letter-spacing: 4px;
    margin: 1rem auto 0;
}

#modal-pin .modal-buttons {
    justify-content: center;
}

#modal-rules {
    max-width: 440px;
}

.modal-tall {
    max-width: 480px;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
}

.history-scroll {
    flex: 1;
    overflow-y: auto;
    margin: 0.5rem 0;
    padding-right: 0.25rem;
}

.modal-buttons {
    display: flex;
    gap: 0.5rem;
    margin-top: 1.25rem;
}

.modal-buttons .btn {
    flex: 1;
}

/* ---------- Loading ---------- */

.loading {
    text-align: center;
    color: var(--text-muted);
    padding: 1rem;
}

.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--text-muted);
    border-top-color: var(--accent-gold);
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin-right: 0.5rem;
    vertical-align: middle;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ---------- FAB ---------- */

.fab {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--accent-green);
    color: #0a0a0f;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0, 230, 118, 0.35);
    transition: all 0.2s;
    z-index: 50;
}

.fab:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 28px rgba(0, 230, 118, 0.45);
}

.fab:active {
    transform: translateY(0);
}

.fab.logged {
    background: var(--bg-surface);
    color: var(--text-muted);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
    cursor: default;
}

.fab.logged:hover {
    transform: none;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

/* ---------- Responsive (Mobile) ---------- */

@media (max-width: 899px) {
    #header {
        flex-wrap: wrap;
        justify-content: center;
        text-align: center;
        gap: 0.75rem;
        padding: 1.5rem 0.5rem 0.75rem;
    }

    .header-left {
        width: 100%;
        text-align: center;
    }

    .header-logo {
        margin: 0 auto;
        width: 140px;
    }

    .header-center {
        width: 100%;
        text-align: center;
    }

    .header-icons {
        width: 100%;
        justify-content: center;
    }

    .subtitle {
        margin-top: 0.35rem;
    }

    #app {
        max-width: 520px;
        padding-bottom: 3rem;
    }

    #dashboard {
        display: flex;
        flex-direction: column;
    }

    #current-week { order: 1; }
    #jar-section { order: 2; }
    #streak-section { order: 3; }
}

@media (max-width: 899px) {
    .week-progress-ring {
        width: 140px;
        height: 140px;
    }

    #week-ring-label {
        font-size: 1.25rem;
    }

    #jar-amount {
        font-size: 2rem;
    }
}

@media (max-width: 400px) {
    .card {
        padding: 1rem;
        border-radius: var(--radius-sm);
    }

    h1 {
        font-size: 1.3rem;
    }

    .dot {
        width: 8px;
        height: 8px;
    }

    .week-dots {
        gap: 0.5rem;
    }

    .action-buttons {
        flex-direction: column;
    }

    .action-buttons .btn {
        min-width: auto;
    }
}