/* ── Bill Detail Page Layout ────────────────────────────────────────────── */

.bill-detail-page {
    min-height: calc(100vh - 80px);
    background: linear-gradient(135deg, #E8F0FF 0%, #D4E6FF 100%);
}

.bill-hero {
    background: var(--primary-gradient);
    padding: 3rem 0 5rem;
}

.bill-hero-back {
    display: inline-block;
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.85rem;
    text-decoration: none;
    margin-bottom: 0.75rem;
    transition: color 0.2s;
}

.bill-hero-back:hover {
    color: white;
}

.bill-hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    padding: 0.35rem 1rem;
    border-radius: 20px;
    margin-bottom: 0.75rem;
}

.bill-hero-title {
    color: white;
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 2rem;
    line-height: 1.2;
}

.bill-hero-progress {
    max-width: 560px;
}

.bill-detail-body {
    margin-top: -2.5rem;
    padding-bottom: 3rem;
}

.bill-detail-card {
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 24px rgba(113, 90, 255, 0.1);
    padding: 2rem;
    height: 100%;
}

.bill-detail-card-title {
    color: var(--primary-color);
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid #f0f4ff;
}

.bill-detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid #f5f7ff;
    font-size: 0.95rem;
}

.bill-detail-row span:first-child {
    color: #7a8ca0;
    font-weight: 500;
}

.bill-detail-row span:last-child {
    color: #102E4A;
    font-weight: 600;
}

.bill-detail-amount {
    color: var(--primary-color) !important;
    font-size: 1.3rem;
    font-weight: 800 !important;
}

/* ── Action Buttons ─────────────────────────────────────────────────────── */

.btn-make-payment {
    display: block;
    width: 100%;
    text-align: center;
    background: var(--primary-gradient);
    color: white;
    padding: 0.85rem 1.5rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    transition: all 0.2s;
    margin-top: 1.5rem;
}

.btn-make-payment:hover {
    color: white;
    box-shadow: 0 6px 20px rgba(113, 90, 255, 0.35);
    transform: translateY(-2px);
}

.btn-make-payment-sm {
    display: inline-block;
    background: var(--primary-gradient);
    color: white;
    padding: 0.55rem 1.75rem;
    border-radius: 20px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.btn-make-payment-sm:hover {
    color: white;
    box-shadow: 0 4px 14px rgba(113, 90, 255, 0.35);
    transform: translateY(-1px);
}

.btn-delete-link {
    background: none;
    border: none;
    padding: 0;
    color: #dc2626;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: underline;
    text-underline-offset: 3px;
    transition: color 0.2s;
}

.btn-delete-link:hover {
    color: #b91c1c;
}

.bill-no-payments {
    text-align: center;
    padding: 2rem 0;
    color: #9ca3af;
}

/* ── Interest Calculator Helpers ────────────────────────────────────────── */

.calc-help-btn {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: linear-gradient(135deg, #E8F0FF 0%, #D4E6FF 100%);
    border: none;
    color: var(--primary-color);
    font-size: 0.75rem;
    font-weight: 800;
    line-height: 1;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: background 0.2s, color 0.2s;
    -webkit-appearance: none;
}

.calc-help-btn:hover {
    background: var(--primary-gradient);
    color: white;
}

.calc-result-box {
    background: #f8faff;
    border: 1.5px solid #e8edf5;
    border-radius: 12px;
    overflow: hidden;
}

.calc-result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.85rem 1.1rem;
    border-bottom: 1px solid #f0f4ff;
    font-size: 0.95rem;
}

.calc-result-row:last-child {
    border-bottom: none;
}

.calc-result-row span:first-child {
    color: #7a8ca0;
    font-weight: 500;
}

.calc-result-value {
    color: #102E4A;
    font-weight: 700;
}

.calc-result-total {
    color: var(--primary-color) !important;
    font-size: 1.2rem;
    font-weight: 800 !important;
}

/* ── Form Inputs ────────────────────────────────────────────────────────── */

.form-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.update-label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: #5a6c7d;
    margin-bottom: 0.5rem;
}

.update-optional {
    font-weight: 400;
    color: #9ca3af;
}

.update-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1.5px solid #e8edf5;
    border-radius: 10px;
    font-size: 1rem;
    color: #102E4A;
    background: #f8faff;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.update-input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(113, 90, 255, 0.12);
    background: white;
}

/* ── Recurring Toggle ───────────────────────────────────────────────────── */

.bill-toggle-label {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
}

.bill-toggle-input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.bill-toggle-track {
    position: relative;
    width: 44px;
    height: 24px;
    background: #d1d5db;
    border-radius: 12px;
    flex-shrink: 0;
    transition: background 0.2s;
}

.bill-toggle-input:checked + .bill-toggle-track {
    background: #7c3aed;
}

.bill-toggle-thumb {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 18px;
    height: 18px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
    transition: transform 0.2s;
}

.bill-toggle-input:checked + .bill-toggle-track .bill-toggle-thumb {
    transform: translateX(20px);
}

.bill-toggle-text {
    font-size: 0.88rem;
    color: #5a6c7d;
}

/* ── Auth Additions (login, signup, forgotPassword, resetPassword) ───────── */

.auth-card {
    max-width: 480px;
    margin: 0 auto;
}

.password-wrapper {
    position: relative;
}

.password-wrapper .update-input {
    padding-right: 3rem;
}

.toggle-password {
    position: absolute;
    right: 0.85rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    padding: 0;
    color: #9ca3af;
    cursor: pointer;
    display: flex;
    align-items: center;
    line-height: 1;
    transition: color 0.2s;
    -webkit-appearance: none;
}

.toggle-password:hover {
    color: var(--primary-color);
}

.auth-links {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid #f0f4ff;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    text-align: center;
}

.auth-link {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.2s;
}

.auth-link:hover {
    color: var(--secondary-color);
    text-decoration: underline;
}

/* ── Responsive ─────────────────────────────────────────────────────────── */

@media (max-width: 768px) {
    .bill-hero {
        padding: 1.75rem 0 3.5rem;
    }
    .bill-hero-title {
        font-size: 1.75rem;
        margin-bottom: 1.25rem;
    }
    .bill-hero-progress {
        max-width: 100%;
    }
    .bill-detail-card {
        padding: 1.25rem;
    }
    .bill-detail-body {
        margin-top: -1.5rem;
        padding-bottom: 2rem;
    }
    .bill-detail-row {
        flex-wrap: wrap;
        gap: 0.2rem;
    }
}

@media (max-width: 576px) {
    .bill-detail-card {
        padding: 1rem;
    }
    .btn-make-payment {
        min-height: 44px;
        padding: 0.9rem 1.5rem;
    }
    .btn-make-payment-sm {
        min-height: 44px;
        padding: 0.65rem 2rem;
    }
    .form-grid-2 {
        grid-template-columns: 1fr;
    }
}