@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

:root {
    --bg-canvas: #FAFAFA;
    --primary-blue: #1E3A8A;
    --primary-blue-hover: #1E40AF;
    --primary-blue-light: #EFF6FF;
    --accent-orange: #EA580C;
    --accent-orange-hover: #C2410C;
    --accent-orange-light: #FFF7ED;
    --accent-orange-border: #FFEDD5;
    --card-bg: #FFFFFF;
    --border-color: #E2E8F0;
    --input-border: #CBD5E1;
    --input-bg: #FFFFFF;
    --input-focus: #2563EB;
    --text-main: #0F172A;
    --text-muted: #475569;
    --text-subtle: #64748B;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.06), 0 2px 4px -1px rgba(15, 23, 42, 0.03);
    --shadow-elevated: 0 10px 25px -5px rgba(15, 23, 42, 0.05), 0 8px 10px -6px rgba(15, 23, 42, 0.03);
    --shadow-glow: 0 8px 20px -4px rgba(234, 88, 12, 0.25);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-canvas);
    background-image: 
        radial-gradient(circle at 50% 0%, rgba(37, 99, 235, 0.04) 0%, transparent 60%),
        radial-gradient(circle at 100% 100%, rgba(234, 88, 12, 0.03) 0%, transparent 50%);
    min-height: 100vh;
    color: var(--text-main);
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    position: relative;
    overflow-x: hidden;
    width: 100%;
    max-width: 100vw;
}

/* Watermark overlay using Pip__Logo.png */
body::before {
    content: '';
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60vw;
    height: 60vh;
    background-image: url('../images/Pip__Logo.png');
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    opacity: 0.025;
    pointer-events: none;
    z-index: 0;
}

/* Fix browser autofill styling */
input:-webkit-autofill,
input:-webkit-autofill:hover, 
input:-webkit-autofill:focus, 
input:-webkit-autofill:active  {
    -webkit-box-shadow: 0 0 0 30px #ffffff inset !important;
    -webkit-text-fill-color: #0f172a !important;
    transition: background-color 5000s ease-in-out 0s;
}

/* Nav text helpers */
.nav-text-short { display: none; }
.nav-text-full { display: inline; }

/* Responsive Glassmorphism Sticky Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.85rem 2.5rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
    width: 100%;
    max-width: 100vw;
}

.logo-brand-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    flex-shrink: 1;
    min-width: 0;
    transition: transform 0.2s ease;
}
.logo-brand-link:hover {
    transform: translateY(-1px);
}

.nav-logo-img {
    height: 44px;
    width: auto;
    max-width: 220px;
    object-fit: contain;
    transition: all 0.2s ease;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    flex-shrink: 0;
}

.btn-nav-ghost {
    color: var(--text-main);
    font-weight: 700;
    font-size: 0.88rem;
    text-decoration: none;
    padding: 0.55rem 1rem;
    border-radius: 8px;
    transition: all 0.2s ease;
}
.btn-nav-ghost:hover {
    background: var(--primary-blue-light);
    color: var(--primary-blue);
}

.btn-nav-sky {
    background: var(--primary-blue-light);
    border: 1px solid #BFDBFE;
    color: var(--primary-blue);
    font-size: 0.85rem;
    font-weight: 700;
    padding: 0.55rem 1.2rem;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
}
.btn-nav-sky:hover {
    background: #DBEAFE;
    color: var(--primary-blue-hover);
    transform: translateY(-1px);
}

.main-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2.5rem 1.5rem;
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
    position: relative;
    box-sizing: border-box;
}

/* World-class Card Container */
.form-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%;
    max-width: 840px;
    box-shadow: var(--shadow-elevated);
    transition: all 0.3s ease;
    box-sizing: border-box;
}

.form-card.narrow { max-width: 440px; }

/* Security Badge */
.security-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.35rem 0.85rem;
    background: var(--accent-orange-light);
    border: 1px solid var(--accent-orange-border);
    border-radius: 20px;
    color: var(--accent-orange);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 1rem;
}

.card-title {
    font-size: clamp(1.35rem, 4vw, 2rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--text-main);
    margin-bottom: 0.35rem;
    word-wrap: break-word;
    overflow-wrap: break-word;
}

.card-subtitle {
    color: var(--text-subtle);
    font-size: 0.95rem;
    font-weight: 500;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    margin-bottom: 1.25rem;
    width: 100%;
}

.form-group label {
    font-size: 0.86rem;
    font-weight: 700;
    color: var(--text-main);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
}

.input-icon {
    position: absolute;
    left: 1rem;
    color: var(--text-subtle);
    display: flex;
    align-items: center;
    pointer-events: none;
    z-index: 2;
}

/* Input & Select Compatibility Rules */
.form-input, .form-select, select, textarea, input[type="text"], input[type="password"], input[type="email"], input[type="tel"], input[type="number"], input[type="date"] {
    width: 100%;
    padding: 0.8rem 1.1rem;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 10px;
    color: var(--text-main);
    font-size: 0.95rem;
    font-family: inherit;
    box-shadow: var(--shadow-sm);
    transition: all 0.2s ease;
    min-height: 48px;
    box-sizing: border-box;
    -webkit-text-size-adjust: 100%;
}

/* iOS Select Arrow Override */
select.form-select, select.form-input, select {
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.9rem center;
    background-size: 14px 14px;
    padding-right: 2.4rem !important;
}

.input-wrapper .form-input {
    padding-left: 2.8rem !important;
}

.input-wrapper .form-input[type="password"],
.input-wrapper .form-input[name="password"] {
    padding-left: 2.8rem !important;
    padding-right: 2.8rem !important;
}

.form-input.no-icon {
    padding-left: 1.1rem !important;
}

.form-input:focus, .form-select:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--input-focus);
    box-shadow: 0 0 0 3.5px rgba(37, 99, 235, 0.12);
}

/* Touch-optimized File Upload Box */
.custom-file-upload-box {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.6rem;
    background: #FFFFFF;
    border: 1px dashed var(--input-border);
    padding: 0.75rem 1rem;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 48px;
    width: 100%;
    box-sizing: border-box;
}
.custom-file-upload-box:hover {
    background: var(--primary-blue-light);
    border-color: var(--primary-blue);
}
.custom-file-upload-box input[type="file"] {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}
.file-upload-label-text {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    pointer-events: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
    flex: 1;
}
.file-upload-status-badge {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--primary-blue);
    background: var(--primary-blue-light);
    padding: 0.35rem 0.85rem;
    border-radius: 6px;
    border: 1px solid #BFDBFE;
    pointer-events: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 180px;
    flex-shrink: 0;
    transition: all 0.2s ease;
}

/* Primary Action Button */
.btn-primary {
    width: 100%;
    padding: 0.9rem 1.5rem;
    background: linear-gradient(135deg, #1E3A8A 0%, #1D4ED8 100%);
    border: none;
    border-radius: 10px;
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(30, 58, 138, 0.2);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #EA580C 0%, #F97316 100%);
    box-shadow: var(--shadow-glow);
    transform: translateY(-1px);
}
.btn-primary:active { transform: scale(0.99); }

.messages-wrapper {
    width: 100%;
    max-width: 1200px;
    margin-bottom: 1.5rem;
}

.alert {
    padding: 1rem 1.4rem;
    border-radius: 12px;
    font-size: 0.92rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
}
.alert-success { background: #ECFDF5; border: 1px solid #A7F3D0; color: #047857; }
.alert-error { background: #FEF2F2; border: 1px solid #FECACA; color: #B91C1C; }
.alert-info { background: #EFF6FF; border: 1px solid #BFDBFE; color: #1D4ED8; }

/* Avatar Container */
.upload-avatar-container {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: #F8FAFC;
    padding: 1.3rem;
    border-radius: 14px;
    border: 1px dashed var(--border-color);
    margin-bottom: 1.5rem;
}
.avatar-preview {
    width: 76px;
    height: 76px;
    border-radius: 50%;
    background: #ffffff;
    color: var(--text-subtle);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    font-weight: 800;
    overflow: hidden;
    flex-shrink: 0;
    border: 2px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}
.avatar-preview img { width: 100%; height: 100%; object-fit: cover; }
.upload-btn-wrapper { position: relative; overflow: hidden; display: inline-block; }
.btn-upload {
    padding: 0.6rem 1.2rem;
    background: var(--primary-blue);
    border: none;
    border-radius: 8px;
    color: #ffffff;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
    min-height: 40px;
}
.btn-upload:hover { background: var(--accent-orange); color: #ffffff; }
.upload-btn-wrapper input[type=file] { position: absolute; left: 0; top: 0; opacity: 0; cursor: pointer; height: 100%; width: 100%; }

.section-divider {
    font-size: 0.82rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--primary-blue);
    margin: 2rem 0 1.25rem 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.section-divider::after { content: ''; flex: 1; height: 1px; background: var(--border-color); }

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
}

.grid-sub-split {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 0.5rem;
}

.grid-sub-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

/* Banner container styling */
.company-header-banner {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    padding: 1.2rem 1.6rem;
    border-radius: 14px;
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-sm);
    box-sizing: border-box;
    width: 100%;
}

.company-header-banner #headerLogo,
.company-header-banner img {
    height: 48px;
    width: auto;
    max-width: 240px;
    object-fit: contain;
}

/* -------------------------------------------------------------
   Comprehensive iOS & Android Mobile Responsive Rules (<= 768px)
   ------------------------------------------------------------- */
@media (max-width: 768px) {
    .nav-text-short { display: inline; }
    .nav-text-full { display: none; }

    .navbar {
        padding: 0.6rem 0.85rem;
        gap: 0.5rem;
    }
    .logo-brand-link {
        max-width: 60%;
    }
    .nav-logo-img {
        height: 32px !important;
        max-height: 32px !important;
        max-width: 140px !important;
    }
    .nav-actions {
        gap: 0.4rem;
    }
    .btn-nav-ghost, .btn-nav-sky {
        padding: 0.4rem 0.65rem;
        font-size: 0.78rem;
        border-radius: 6px;
    }

    .main-container {
        padding: 1rem 0.65rem;
    }
    .form-card {
        padding: 1.3rem 0.85rem;
        border-radius: 12px;
        box-shadow: var(--shadow-sm);
    }

    /* iOS Safari Auto-Zoom Prevention: MUST be 16px */
    .form-input, .form-select, select, textarea, input[type="text"], input[type="password"], input[type="email"], input[type="tel"], input[type="number"], input[type="date"] {
        font-size: 16px !important;
        padding: 0.75rem 0.85rem;
        min-height: 48px;
        border-radius: 10px;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    /* Force 1-Column Stacking on Mobile */
    .grid-2, .grid-sub-split, .grid-sub-2, .modal-grid-2 {
        grid-template-columns: 1fr !important;
        gap: 0.85rem !important;
        width: 100% !important;
    }

    /* Mobile Header Banner Stack Fix */
    .company-header-banner {
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        text-align: center !important;
        gap: 0.6rem !important;
        padding: 1rem 0.85rem !important;
        margin-bottom: 1.5rem !important;
    }
    .company-header-banner #headerLogo,
    .company-header-banner img {
        margin: 0 auto !important;
        height: 36px !important;
        max-width: 160px !important;
        object-fit: contain !important;
        display: block !important;
    }
    .company-header-banner div:last-child {
        text-align: center !important;
        font-size: 0.95rem !important;
        font-weight: 800 !important;
    }

    .upload-avatar-container {
        flex-direction: column;
        text-align: center;
        gap: 0.8rem;
        padding: 1rem 0.75rem;
    }

    .custom-file-upload-box {
        padding: 0.7rem 0.75rem;
        max-width: 100%;
        box-sizing: border-box;
    }
    .file-upload-label-text {
        font-size: 0.82rem;
    }
    .file-upload-status-badge {
        font-size: 0.72rem;
        padding: 0.3rem 0.55rem;
        max-width: 110px;
    }

    .btn-primary {
        min-height: 48px;
        font-size: 0.92rem;
        border-radius: 8px;
    }

    /* OTP 6-Digit input mobile responsiveness */
    #preRegOtp {
        letter-spacing: 8px !important;
        font-size: 1.4rem !important;
        padding: 0.6rem !important;
    }
}

/* Extra Small Screens (iPhone SE, Small Android <= 480px) */
@media (max-width: 480px) {
    .navbar {
        padding: 0.5rem 0.65rem;
    }
    .nav-logo-img {
        height: 28px !important;
        max-height: 28px !important;
        max-width: 120px !important;
    }
    .form-card {
        padding: 1rem 0.65rem;
        border-radius: 10px;
    }
    .card-title {
        font-size: 1.25rem !important;
    }
}