/* =====================================
   MUTHUPURA.LK - PREMIUM DESIGN SYSTEM
   ===================================== */

:root {
    color-scheme: light;
    --bg: #eef2f8;
    --surface: #ffffff;
    --surface-soft: rgba(255,255,255,0.88);
    --text: #1f2f4f;
    --muted: #5b6d8a;
    --border: rgba(74,99,142,0.18);
    --border-strong: rgba(74,99,142,0.28);
    --accent1: #3a6ff8;
    --accent2: #8e52f8;
    --accent3: #7c3aed;
    --shadow: 0 24px 70px rgba(25, 73, 145, 0.10);
    --shadow-strong: 0 32px 90px rgba(25, 73, 145, 0.14);
    --radius: 18px;
    --required: #d12845;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    min-height: 100%;
    font-family: 'Inter', 'Poppins', system-ui, sans-serif;
    background: radial-gradient(circle at top, rgba(58,111,248,0.14), transparent 30%),
                linear-gradient(180deg, #f6f8fb 0%, #eef2f8 100%);
    color: var(--text);
    overflow-x: hidden;
}

body {
    padding: 0 16px 32px;
}

/* ===== CONTAINER ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0;
    width: 100%;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ===== RESPONSIVE PADDING ===== */
@media (min-width: 641px) {
    body {
        padding: 0 24px 36px;
    }
}

@media (min-width: 1024px) {
    body {
        padding: 0 32px 40px;
    }
}

/* ===== MODERN NAVBAR STYLES ===== */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 10px 16px;
    background: linear-gradient(135deg, rgba(58,111,248,0.08) 0%, rgba(142,82,248,0.06) 100%);
    backdrop-filter: blur(20px);
    border: 1.2px solid rgba(58,111,248,0.15);
    border-radius: 20px;
    box-shadow: 0 8px 32px rgba(58,111,248,0.08), inset 0 1px 1px rgba(255,255,255,0.9);
    position: sticky;
    top: 16px;
    z-index: 1000;
    margin: 16px 0 32px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.navbar:hover {
    box-shadow: 0 12px 40px rgba(58,111,248,0.12), inset 0 1px 1px rgba(255,255,255,0.95);
    border-color: rgba(58,111,248,0.22);
}

.nav-brand {
    display: inline-flex;
    align-items: center;
    gap: 14px;
    text-decoration: none;
    color: var(--text);
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: -0.02em;
    transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
    position: relative;
}

.nav-brand:hover {
    transform: translateY(-2px);
    color: var(--accent1);
}

.nav-brand:active {
    transform: translateY(0);
}

.nav-brand img {
    width: 44px;
    height: 44px;
    border-radius: 14px;
    object-fit: cover;
    box-shadow: 0 8px 24px rgba(58,111,248,0.15);
    border: 2px solid rgba(58,111,248,0.1);
    transition: all 0.28s ease;
}

.nav-brand:hover img {
    box-shadow: 0 12px 32px rgba(58,111,248,0.2);
    border-color: rgba(58,111,248,0.2);
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    gap: 8px;
    align-items: center;
    flex: 1;
    justify-content: flex-end;
    flex-wrap: nowrap;
    margin: 0;
}

.nav-links a,
.nav-links button {
    color: var(--text);
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    padding: 8px 14px;
    border-radius: 10px;
    white-space: nowrap;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    background: rgba(58,111,248,0.05);
    border: 1px solid rgba(58,111,248,0.1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.nav-links a::before,
.nav-links button::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(58,111,248,0.1), rgba(142,82,248,0.08));
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
    border-radius: inherit;
}

.nav-links a:hover::before,
.nav-links button:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-links a:hover,
.nav-links button:hover {
    background: rgba(58,111,248,0.08);
    border-color: rgba(58,111,248,0.2);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(58,111,248,0.1);
}

.nav-links a:active,
.nav-links button:active {
    transform: translateY(0);
}

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    background: rgba(58,111,248,0.05);
    border: 1px solid rgba(58,111,248,0.1);
    padding: 10px;
    border-radius: 10px;
    transition: all 0.2s ease;
    position: relative;
    z-index: 1001;
    flex-shrink: 0;
    margin-left: auto;
}

.hamburger:hover {
    background: rgba(58,111,248,0.08);
    border-color: rgba(58,111,248,0.2);
    transform: scale(1.05);
}

.hamburger span {
    width: 22px;
    height: 3px;
    background: var(--text);
    border-radius: 2px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Menu Drawer */
.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #1f2f4f;
    flex-direction: column;
    gap: 0;
    padding: 80px 16px 20px;
    z-index: 998;
    animation: slideDown 0.3s ease;
    overflow-y: auto;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateX(-100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.mobile-menu.active {
    display: flex;
}

.mobile-menu a,
.mobile-menu button {
    color: #ffffff;
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    padding: 16px 20px;
    border-radius: 0;
    white-space: nowrap;
    transition: all 0.2s ease;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    cursor: pointer;
    text-align: left;
    width: 100%;
    box-sizing: border-box;
}

.mobile-menu a:hover,
.mobile-menu button:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(58, 111, 248, 0.3);
    transform: none;
}

.btn,
.action-pill,
.nav-links a {
    border: none;
    border-radius: 999px;
    font-weight: 700;
    cursor: pointer;
    font-size: 0.93rem;
    transition: all 0.22s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.btn::before,
.action-pill::before,
.nav-links a::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(255,255,255,0.1);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
    border-radius: inherit;
}

.btn:hover::before,
.action-pill:hover::before,
.nav-links a:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

.btn.primary,
.action-pill.primary {
    background: linear-gradient(110deg, var(--accent1), var(--accent2));
    color: #fff;
    box-shadow: 0 20px 56px rgba(58,111,248,0.18), inset 0 1px 0 rgba(255,255,255,0.35);
    padding: 11px 26px;
}

.btn.primary:hover,
.action-pill.primary:hover {
    box-shadow: 0 26px 66px rgba(58,111,248,0.26), inset 0 1px 0 rgba(255,255,255,0.35);
    transform: translateY(-2px);
}

.btn.primary:active,
.action-pill.primary:active {
    transform: translateY(0);
}

.submit-row .btn.primary {
    background: linear-gradient(135deg, var(--accent1), var(--accent2));
    color: white;
    border: none;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(58, 111, 248, 0.3);
}

.submit-row .btn.primary:hover {
    box-shadow: 0 8px 20px rgba(58, 111, 248, 0.4);
    transform: translateY(-2px);
}

.btn.secondary,
.action-pill.secondary,
.nav-links a {
    background: linear-gradient(135deg, #ffffff 0%, rgba(255,255,255,0.96));
    color: #2f4f82;
    border: 1.2px solid rgba(58,111,248,0.22);
    padding: 11px 22px;
    box-shadow: 0 10px 28px rgba(58,111,248,0.09), inset 0 1px 0 rgba(255,255,255,0.7);
}

.btn.secondary:hover,
.action-pill.secondary:hover,
.nav-links a:hover {
    background: linear-gradient(135deg, #f9faff 0%, #ffffff 100%);
    border-color: rgba(58,111,248,0.4);
    box-shadow: 0 14px 36px rgba(58,111,248,0.14), inset 0 1px 0 rgba(255,255,255,0.8);
    transform: translateY(-2px);
}

.btn.secondary:active,
.action-pill.secondary:active {
    transform: translateY(0);
}

/* ===== SECTION CARDS ===== */
.section-card,
.card {
    background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.96) 100%);
    border: 1.2px solid var(--border-strong);
    border-radius: var(--radius);
    box-shadow: var(--shadow-strong), 0 0 1px rgba(58,111,248,0.08);
    padding: 26px;
    animation: fadeInUp 0.45s ease both;
    position: relative;
    overflow: hidden;
}

.section-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent1), var(--accent2));
}

.section-card h2,
.card h2,
.section-card h1,
.card h1 {
    margin: 8px 0 8px;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #1f2f4f 0%, #3a6ff8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-card p,
.card p {
    margin: 0 0 20px;
    color: var(--muted);
    line-height: 1.65;
    font-size: 0.95rem;
}

/* ===== FORM ELEMENTS ===== */
.form-grid {
    display: grid;
    gap: 14px;
}

.form-grid.two {
    grid-template-columns: 1fr;
}

@media (min-width: 641px) {
    .form-grid.two {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.field {
    display: grid;
    gap: 8px;
}

.field label {
    font-size: 0.93rem;
    color: #4f648c;
    font-weight: 600;
    letter-spacing: -0.01em;
}

.field[data-required] label::after {
    content: ' *';
    color: var(--required);
    font-weight: 700;
}

.field input,
.field select,
.field textarea,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="tel"],
input[type="number"],
select,
textarea {
    width: 100%;
    border: 1.1px solid var(--border-strong);
    background: linear-gradient(to bottom, rgba(255,255,255,0.96), rgba(255,255,255,0.92));
    border-radius: 14px;
    padding: 14px 16px;
    font-size: 1rem;
    color: var(--text);
    transition: border-color 0.25s ease, box-shadow 0.25s ease, background 0.2s ease;
    font-family: inherit;
}

.field input::placeholder,
.field select::placeholder,
.field textarea::placeholder,
input::placeholder,
textarea::placeholder {
    color: rgba(91, 109, 138, 0.6);
}

.field input:focus,
.field select:focus,
.field textarea:focus,
input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent1);
    box-shadow: 0 0 0 4px rgba(58,111,248,0.14), inset 0 0 0 1px rgba(58,111,248,0.06);
}

.field textarea,
textarea {
    min-height: 140px;
    resize: vertical;
}

.field .error-message,
.error-message {
    display: block;
    min-height: 18px;
    font-size: 0.84rem;
    color: #d12845;
}

.field.invalid input,
.field.invalid select,
.field.invalid textarea,
input.invalid,
select.invalid,
textarea.invalid {
    border-color: var(--required);
    box-shadow: 0 0 0 4px rgba(209,40,69,0.15), inset 0 0 0 1px rgba(209,40,69,0.08);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* ===== ACCESSIBILITY ===== */
.btn:focus-visible,
.action-pill:focus-visible,
.brand:focus-visible,
.nav-links a:focus-visible {
    outline: 3px solid var(--accent1);
    outline-offset: 2px;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ===== MOBILE RESPONSIVE ===== */
@media (max-width: 640px) {
    body {
        padding: 12px 16px 32px;
    }

    .navbar {
        gap: 12px;
        padding: 12px 16px;
        margin: 12px 0 24px;
        border-radius: 16px;
    }

    .nav-brand {
        font-size: 1.1rem;
        gap: 12px;
    }

    .nav-brand img {
        width: 40px;
        height: 40px;
    }

    .nav-links {
        display: none;
    }

    .hamburger {
        display: flex;
    }

    .btn.secondary,
    .action-pill.secondary,
    .nav-links a {
        padding: 10px 16px;
        font-size: 0.88rem;
    }

    .btn.primary,
    .action-pill.primary {
        padding: 10px 18px;
        font-size: 0.88rem;
    }

    .section-card,
    .card {
        padding: 20px;
    }

    .field input,
    .field select,
    .field textarea,
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="tel"],
    input[type="number"],
    select,
    textarea {
        padding: 12px 14px;
        font-size: 16px; /* Prevents zoom on iOS */
    }

    .container {
        padding: 0 16px;
    }

    img {
        max-width: 100%;
        height: auto;
    }

    .mobile-menu {
        top: 76px;
        left: 12px;
        right: 12px;
        padding: 16px;
        border-radius: 16px;
    }
}

@media (min-width: 641px) {
    .navbar {
        gap: 20px;
        padding: 16px 24px;
        margin-bottom: 28px;
    }

    .nav-brand {
        font-size: 1.15rem;
    }

    .nav-brand img {
        width: 42px;
        height: 42px;
    }

    .nav-links {
        display: flex;
        gap: 12px;
    }

    .hamburger {
        display: none;
    }

    .mobile-menu {
        display: none !important;
    }

    .btn.secondary,
    .action-pill.secondary,
    .nav-links a {
        padding: 11px 24px;
        font-size: 0.94rem;
    }

    .btn.primary,
    .action-pill.primary {
        padding: 11px 28px;
        font-size: 0.94rem;
    }

    .section-card,
    .card {
        padding: 28px;
    }

    .container {
        padding: 0 24px;
    }

    img {
        max-width: 100%;
        height: auto;
    }
}

@media (min-width: 1024px) {
    .navbar {
        margin-bottom: 36px;
        padding: 18px 28px;
    }

    .section-card,
    .card {
        padding: 32px;
    }

    .container {
        padding: 0 32px;
    }
}

/* ===== UTILITY CLASSES ===== */
.text-center {
    text-align: center;
}

.mt-8 { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }

.gap-8 { gap: 8px; }
.gap-16 { gap: 16px; }
.gap-24 { gap: 24px; }

.hidden { display: none !important; }
.flex { display: flex; }
.grid { display: grid; }
.block { display: block; }

.w-full { width: 100%; }
.max-w-lg { max-width: 32rem; }
.max-w-xl { max-width: 36rem; }

/* ===== ALERT MESSAGES ===== */
.alert {
    padding: 16px 20px;
    border-radius: 14px;
    margin: 16px 0;
    font-weight: 600;
    border: 1.2px solid;
    animation: fadeIn 0.3s ease;
}

.alert.success {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(34, 197, 94, 0.05));
    color: #166534;
    border-color: rgba(34, 197, 94, 0.3);
}

.alert.error {
    background: linear-gradient(135deg, rgba(209, 40, 69, 0.1), rgba(209, 40, 69, 0.05));
    color: #8b1538;
    border-color: rgba(209, 40, 69, 0.3);
}

.alert.info {
    background: linear-gradient(135deg, rgba(58, 111, 248, 0.1), rgba(58, 111, 248, 0.05));
    color: #1e40af;
    border-color: rgba(58, 111, 248, 0.3);
}

/* ===== TABLE FOR LISTINGS ===== */
.table-container {
    border-radius: 18px;
    overflow: hidden;
    border: 1.2px solid var(--border-strong);
    box-shadow: var(--shadow-strong);
    animation: fadeInUp 0.45s ease;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: linear-gradient(135deg, #ffffff 0%, rgba(255, 255, 255, 0.96) 100%);
}

thead {
    background: linear-gradient(90deg, var(--accent1), var(--accent2));
    color: white;
}

thead th {
    padding: 16px;
    text-align: left;
    font-weight: 700;
    letter-spacing: -0.01em;
}

tbody td {
    padding: 14px 16px;
    border-top: 1px solid var(--border);
    color: var(--text);
}

tbody tr:hover {
    background: rgba(58, 111, 248, 0.04);
    transition: background 0.2s ease;
}

/* ===== LOADER ===== */
.loader {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(58, 111, 248, 0.2);
    border-top-color: var(--accent1);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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