/* ========================================
   FinansTakip - Global
======================================== */

:root {
    --primary: #f97316;
    --primary-dark: #ea580c;
    --primary-light: #fff7ed;

    --background: #f5f7fa;
    --surface: #ffffff;
    --border: #e5e7eb;

    --text: #111827;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;

    --success: #16a34a;
    --danger: #dc2626;

    --radius: 18px;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

/* ========================================
   Reset
======================================== */

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

body {
    font-family:
        Inter,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        Roboto,
        sans-serif;

    background: var(--background);
    color: var(--text);

    min-height: 100vh;
}

/* ========================================
   App
======================================== */

.app {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;

    padding: 20px;
    padding-bottom: 100px;
}

/* ========================================
   Header
======================================== */

.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;

    margin-bottom: 24px;
}

.eyebrow {
    display: block;

    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.2px;

    color: var(--primary);

    margin-bottom: 4px;
}

.app-header h1 {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.6px;
}

.icon-button {
    width: 42px;
    height: 42px;

    border: 1px solid var(--border);
    border-radius: 12px;

    background: var(--surface);

    cursor: pointer;

    font-size: 18px;

    transition: 0.2s;
}

.icon-button:hover {
    border-color: var(--primary);
    transform: translateY(-1px);
}

/* ========================================
   Main Balance Card
======================================== */

.balance-card {
    background: linear-gradient(
        135deg,
        var(--primary),
        var(--primary-dark)
    );

    color: white;

    border-radius: var(--radius);

    padding: 26px;

    margin-bottom: 18px;

    box-shadow: var(--shadow);
}

.balance-card span {
    display: block;

    font-size: 14px;
    opacity: 0.85;

    margin-bottom: 8px;
}

.balance-card strong {
    display: block;

    font-size: 34px;
    font-weight: 800;

    letter-spacing: -1px;
}

/* ========================================
   Summary Cards
======================================== */

.summary-grid {
    display: grid;

    grid-template-columns: repeat(2, 1fr);

    gap: 12px;

    margin-bottom: 28px;
}

.summary-card {
    background: var(--surface);

    border: 1px solid var(--border);

    border-radius: 16px;

    padding: 18px;

    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
}

.summary-card span {
    display: block;

    font-size: 12px;

    color: var(--text-secondary);

    margin-bottom: 7px;
}

.summary-card strong {
    display: block;

    font-size: 18px;
    font-weight: 750;
}

.balance-card.dashboard-widget {
    width: fit-content;
    min-width: 250px;
    padding: 16px 22px;
    margin-bottom: 18px;
}

.balance-card.dashboard-widget span {
    font-size: 12px;
    margin-bottom: 4px;
}

.balance-card.dashboard-widget strong {
    font-size: 28px;
    letter-spacing: -0.5px;
}

.distribution-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
    margin-bottom: 18px;
}

.distribution-card {
    min-width: 0;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
}

.distribution-card h2 {
    margin-bottom: 14px;
    font-size: 15px;
    font-weight: 750;
    letter-spacing: 0.02em;
}

.distribution-visual {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.distribution-donut {
    display: block;
    width: min(100%, 220px);
    height: auto;
}

.distribution-legend {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px 12px;
    width: 100%;
    list-style: none;
}

.distribution-legend li {
    display: flex;
    align-items: flex-start;
    gap: 7px;
    min-width: 0;
    color: var(--text-secondary);
    font-size: 11px;
    line-height: 1.4;
}

.distribution-legend-marker {
    flex: 0 0 9px;
    width: 9px;
    height: 9px;
    margin-top: 3px;
    border-radius: 50%;
}

/* ========================================
   Sections
======================================== */

.section {
    margin-top: 28px;
}

.section-header {
    display: flex;

    align-items: center;
    justify-content: space-between;

    margin-bottom: 14px;
}

.section-header h2 {
    font-size: 18px;
    font-weight: 750;
}

.text-button {
    border: none;
    background: transparent;

    color: var(--primary);

    font-size: 13px;
    font-weight: 600;

    cursor: pointer;
}

/* ========================================
   Transactions
======================================== */

.transaction-list {
    background: var(--surface);

    border: 1px solid var(--border);

    border-radius: 16px;

    overflow: hidden;
}

.empty-state {
    padding: 28px;

    text-align: center;

    color: var(--text-light);

    font-size: 14px;
}

.delete-button {
    margin: 6px 8px 6px 0;
    padding: 6px 10px;
    border: 1px solid #fecaca;
    border-radius: 8px;
    background: #fff7f7;
    color: #b91c1c;
    font: inherit;
    font-size: 12px;
    cursor: pointer;
}

.delete-button:hover {
    background: #fee2e2;
}

.card-interest-preview {
    margin: 12px 0;
    padding: 14px 16px;
    border: 1px solid #fed7aa;
    border-left: 4px solid var(--primary);
    border-radius: 12px;
    background: var(--primary-light);
    color: var(--text);
}

.card-interest-preview strong {
    display: block;
    margin-bottom: 8px;
}

.card-interest-preview ul {
    display: grid;
    gap: 4px;
    margin: 0 0 8px 18px;
}

.card-interest-preview li:last-child {
    font-weight: 700;
}

.card-interest-preview small {
    color: var(--text-secondary);
}

/* ========================================
   Forms and record lists
======================================== */

.income-form,
.expense-form,
#debts-section > p,
.transaction-list {
    min-width: 0;
}

.income-form,
.expense-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    padding: 18px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

.form-group label,
.income-form > label,
.expense-form > label {
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 600;
}

.form-group input,
.form-group select,
.income-form > label input,
.expense-form > label input,
.expense-form > label select,
.expense-form input,
.expense-form select {
    width: 100%;
    min-width: 0;
    min-height: 44px;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: #fff;
    color: var(--text);
    font: inherit;
    font-size: 14px;
}

.form-group input:focus,
.form-group select:focus,
.income-form input:focus,
.expense-form input:focus,
.expense-form select:focus {
    outline: 2px solid rgba(249, 115, 22, 0.22);
    border-color: var(--primary);
}

#regular-expense-fields,
#installment-debt-fields {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
    min-width: 0;
}

#regular-expense-fields[hidden],
#installment-debt-fields[hidden],
#credit-card-payment-fields[hidden],
#early-payoff-field[hidden] {
    display: none;
}

#credit-card-payment-fields,
#early-payoff-field {
    min-width: 0;
}

.primary-button,
.expense-form button[type="submit"],
.income-form button[type="submit"] {
    min-height: 44px;
    padding: 10px 16px;
    border: 0;
    border-radius: 10px;
    background: var(--primary);
    color: #fff;
    font: inherit;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
}

.primary-button:hover,
.expense-form button[type="submit"]:hover,
.income-form button[type="submit"]:hover {
    background: var(--primary-dark);
}

.income-form > p,
.expense-form > p,
#expense-form-status,
#credit-card-form-status {
    grid-column: 1 / -1;
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.5;
}

.income-form > button,
.expense-form > button {
    justify-self: start;
}

.transaction-item {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 14px;
    min-width: 0;
    padding: 16px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.transaction-item:last-child {
    border-bottom: 0;
}

.transaction-item > div {
    flex: 1 1 auto;
    min-width: 0;
}

.transaction-item strong,
.transaction-item p,
.transaction-item small,
.transaction-item span {
    overflow-wrap: anywhere;
}

.transaction-item strong {
    display: block;
    margin-bottom: 5px;
}

.transaction-item p,
.transaction-item small {
    display: block;
    margin-top: 5px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.transaction-item > span {
    flex: 0 0 auto;
    font-weight: 700;
}

.transaction-item button:not(.delete-button) {
    min-height: 40px;
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 9px;
    background: var(--primary-light);
    color: var(--primary-dark);
    font: inherit;
    font-weight: 650;
    cursor: pointer;
}

.transaction-item details {
    min-width: 0;
    margin-top: 10px;
}

.transaction-item details summary {
    cursor: pointer;
    color: var(--text-secondary);
    line-height: 1.5;
}

.transaction-item details form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    min-width: 0;
    margin-top: 12px;
}

.transaction-item details form label {
    display: flex;
    flex-direction: column;
    gap: 5px;
    min-width: 0;
    color: var(--text-secondary);
    font-size: 13px;
}

.transaction-item details form input,
.transaction-item details form select {
    width: 100%;
    min-width: 0;
    min-height: 42px;
    padding: 9px 10px;
    border: 1px solid var(--border);
    border-radius: 9px;
    background: #fff;
    color: var(--text);
    font: inherit;
    font-size: 14px;
}

.transaction-item details form button,
.transaction-item details form small,
.transaction-item details form .card-interest-preview {
    grid-column: 1 / -1;
}

.transaction-item details ul {
    display: grid;
    gap: 8px;
    margin: 10px 0 0;
    padding-left: 20px;
}

.transaction-item details li {
    min-width: 0;
    overflow-wrap: anywhere;
}

.transaction-item details li .delete-button {
    display: block;
}

#debts-section > p {
    margin: 0 0 16px;
    color: var(--text-secondary);
    font-size: 13px;
    line-height: 1.55;
}

@media (max-width: 600px) {
    .app {
        padding: 18px 14px calc(88px + env(safe-area-inset-bottom));
    }

    .app-header {
        gap: 12px;
        margin-bottom: 20px;
    }

    .app-header h1 {
        font-size: clamp(23px, 7vw, 28px);
        overflow-wrap: anywhere;
    }

    .balance-card.dashboard-widget {
        width: 100%;
        min-width: 0;
        padding: 18px;
    }

    .balance-card.dashboard-widget strong {
        font-size: clamp(24px, 8vw, 32px);
        overflow-wrap: anywhere;
    }

    .distribution-card {
        padding: 16px;
    }

    .summary-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 10px;
    }

    .summary-card {
        min-width: 0;
        padding: 16px;
    }

    .summary-card strong,
    .summary-card p,
    .summary-card li {
        overflow-wrap: anywhere;
        line-height: 1.45;
    }

    .income-form,
    .expense-form,
    #regular-expense-fields,
    #installment-debt-fields {
        grid-template-columns: minmax(0, 1fr);
    }

    .income-form,
    .expense-form {
        gap: 12px;
        padding: 14px;
    }

    .income-form > button,
    .expense-form > button,
    .income-form button[type="submit"],
    .expense-form button[type="submit"] {
        width: 100%;
    }

    .transaction-item {
        flex-wrap: wrap;
        gap: 10px;
        padding: 14px;
    }

    .transaction-item > div {
        flex-basis: 100%;
    }

    .transaction-item > span {
        margin-right: auto;
    }

    .transaction-item details form {
        grid-template-columns: minmax(0, 1fr);
    }

    .transaction-item details form button,
    .transaction-item details form small,
    .transaction-item details form .card-interest-preview {
        grid-column: 1;
    }

    .card-interest-preview {
        padding: 12px;
        overflow-wrap: anywhere;
    }

    .bottom-nav {
        padding: 8px 6px calc(8px + env(safe-area-inset-bottom));
    }

    .nav-item {
        min-width: 0;
        padding: 8px 3px;
    }

    .nav-item small {
        font-size: 10px;
        text-align: center;
    }
}

/* ========================================
   Bottom Navigation
======================================== */

.bottom-nav {
    position: fixed;

    left: 50%;
    bottom: 0;

    transform: translateX(-50%);

    width: min(100%, 1100px);

    display: grid;
    grid-template-columns: repeat(4, 1fr);

    padding: 10px 12px;

    background: rgba(255, 255, 255, 0.96);

    border-top: 1px solid var(--border);

    backdrop-filter: blur(12px);

    z-index: 100;
}

.nav-item {
    display: flex;

    flex-direction: column;
    align-items: center;
    justify-content: center;

    gap: 4px;

    border: none;

    background: transparent;

    color: var(--text-secondary);

    cursor: pointer;

    padding: 7px;

    border-radius: 10px;

    transition: 0.2s;
}

.nav-item span {
    font-size: 18px;
}

.nav-item small {
    font-size: 11px;
}

.nav-item.active {
    color: var(--primary);

    background: var(--primary-light);
}

.nav-item:hover {
    color: var(--primary);
}

/* ========================================
   Desktop
======================================== */

@media (min-width: 768px) {

    .app {
        padding: 32px;
        padding-bottom: 40px;
    }

    .app-header {
        margin-bottom: 30px;
    }

    .app-header h1 {
        font-size: 32px;
    }

    .balance-card {
        padding: 32px;
    }

    .balance-card strong {
        font-size: 42px;
    }

    .summary-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 16px;
    }

    .distribution-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 16px;
    }

    .summary-card {
        padding: 20px;
    }

    .bottom-nav {
        position: static;

        transform: none;

        width: 100%;

        margin-top: 40px;

        border: 1px solid var(--border);

        border-radius: 16px;

        box-shadow: var(--shadow);
    }
}

/* ========================================
   Large Desktop
======================================== */

@media (min-width: 1100px) {

    .app {
        padding-top: 40px;
    }

    .balance-card {
        padding: 36px;
    }

    .balance-card strong {
        font-size: 46px;
    }
}