/* ===== PORTAL PAGE STYLES ===== */
:root {
    --admin-gradient: linear-gradient(135deg, #f43f5e 0%, #fbbf24 100%);
    --company-gradient: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
    --candidate-gradient: linear-gradient(135deg, #10b981 0%, #06b6d4 100%);
    --agency-gradient: linear-gradient(135deg, #8b5cf6 0%, #a855f7 100%);
    --guest-gradient: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', 'Noto Sans JP', sans-serif;
}

body {
    background: var(--bg-gradient);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: clamp(20px, 4vh, 60px) 20px;
    padding-top: 80px;
    color: #f8fafc;
    overflow-x: hidden;
}

/* ===== Language & Theme controls ===== */
.portal-controls {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: clamp(16px, 3vw, 28px);
    padding: 12px 20px;
    background: rgba(15, 23, 42, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: background 0.3s, border-color 0.3s;
}

body.theme-light .portal-controls {
    background: rgba(255, 255, 255, 0.92);
    border-bottom-color: rgba(0, 0, 0, 0.08);
}

.control-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.control-label {
    font-size: clamp(12px, 1.4vw, 14px);
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
}

body.theme-light .control-label {
    color: rgba(0, 0, 0, 0.65);
}

.control-options {
    display: flex;
    gap: 6px;
}

.lang-option,
.theme-option {
    padding: 8px 14px;
    font-size: 13px;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.06);
    color: rgba(255, 255, 255, 0.85);
    cursor: pointer;
    transition: all 0.25s;
}

.lang-option:hover,
.theme-option:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.35);
    color: #fff;
}

.lang-option.active,
.theme-option.active {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
    color: #fff;
}

body.theme-light .lang-option,
body.theme-light .theme-option {
    border-color: rgba(0, 0, 0, 0.15);
    background: rgba(0, 0, 0, 0.04);
    color: rgba(0, 0, 0, 0.8);
}

body.theme-light .lang-option:hover,
body.theme-light .theme-option:hover {
    background: rgba(0, 0, 0, 0.08);
    border-color: rgba(0, 0, 0, 0.25);
    color: #000;
}

body.theme-light .lang-option.active,
body.theme-light .theme-option.active {
    background: rgba(0, 0, 0, 0.12);
    border-color: rgba(0, 0, 0, 0.3);
    color: #000;
}

.portal-header {
    margin-bottom: clamp(20px, 5vh, 50px);
    text-align: center;
    flex-shrink: 0;
    animation: fadeIn 0.8s ease-out;
}

.portal-header h1 {
    font-size: clamp(24px, 4.5vw, 36px);
    font-weight: 800;
    color: #f8fafc;
    margin-bottom: clamp(8px, 1.5vh, 12px);
    letter-spacing: -0.02em;
}

.portal-header p {
    color: rgba(255, 255, 255, 0.6);
    font-size: clamp(14px, 1.8vw, 17px);
}

/* ===== Theme: Light (white background) ===== */
body.theme-light {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #f1f5f9 100%);
    color: #0f172a;
}

body.theme-light .portal-header h1 {
    color: #0f172a;
}

body.theme-light .portal-header p {
    color: rgba(15, 23, 42, 0.65);
}

body.theme-light .portal-card {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
}

body.theme-light .portal-card:hover {
    background: #fff;
    border-color: rgba(0, 0, 0, 0.12);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

body.theme-light .icon-wrapper {
    background: rgba(0, 0, 0, 0.04);
}

body.theme-light .card-title {
    color: #0f172a;
}

body.theme-light .card-desc {
    color: rgba(15, 23, 42, 0.65);
}

body.theme-light .guest-link {
    color: rgba(15, 23, 42, 0.5);
    border-color: rgba(0, 0, 0, 0.1);
}

body.theme-light .guest-link:hover {
    color: #0f172a;
    background: rgba(0, 0, 0, 0.04);
    border-color: rgba(0, 0, 0, 0.2);
}

.portal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: clamp(16px, 2.5vw, 28px);
    max-width: 1300px;
    width: 100%;
    margin: 0 auto;
    padding-bottom: clamp(30px, 5vh, 60px);
    align-items: stretch;
}

.portal-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 28px;
    padding: clamp(32px, 5vh, 52px) 24px;
    text-align: center;
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: clamp(16px, 2.5vh, 28px);
    position: relative;
    overflow: hidden;
    min-height: clamp(380px, 55vh, 520px);
    justify-content: space-between;
}

.portal-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    opacity: 0;
    transition: opacity 0.3s;
}

.portal-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.portal-card:hover::before {
    opacity: 1;
}

.icon-wrapper {
    width: clamp(70px, 10vh, 100px);
    height: clamp(70px, 10vh, 100px);
    background: rgba(255, 255, 255, 0.03);
    border-radius: clamp(16px, 2.5vh, 24px);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 4px;
    transition: transform 0.3s ease;
}

.portal-card:hover .icon-wrapper {
    transform: scale(1.1) rotate(5deg);
}

.icon {
    font-size: clamp(40px, 6vh, 56px);
}

.card-content {
    display: flex;
    flex-direction: column;
    gap: clamp(8px, 1.2vh, 12px);
    flex-grow: 1;
}

.card-title {
    font-size: clamp(20px, 2.5vh, 24px);
    font-weight: 700;
    color: #fff;
    letter-spacing: 0.02em;
}

.card-desc {
    font-size: clamp(13px, 1.6vh, 15px);
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

.btn-group {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: clamp(8px, 1.2vh, 12px);
    margin-top: 4px;
}

.btn {
    width: 100%;
    padding: clamp(10px, 1.8vh, 14px) 24px;
    border-radius: 14px;
    font-weight: 700;
    color: white;
    font-size: clamp(14px, 1.7vh, 15px);
    text-decoration: none;
    transition: all 0.3s;
    display: inline-block;
}

.btn:hover {
    filter: brightness(1.1);
    transform: translateY(-2px);
}

.guest-link {
    display: block;
    padding: clamp(6px, 1vh, 10px);
    color: rgba(255, 255, 255, 0.4);
    text-decoration: none;
    font-size: clamp(10px, 1.3vh, 12px);
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    transition: all 0.3s;
}

.guest-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.3);
}

/* Specific Card Styles */
.admin-card::before {
    background: var(--admin-gradient);
}

.admin-card:hover {
    border-color: #f43f5e;
}

.admin-btn {
    background: var(--admin-gradient);
    box-shadow: 0 8px 16px rgba(244, 63, 94, 0.2);
}

.company-card::before {
    background: var(--company-gradient);
}

.company-card:hover {
    border-color: #3b82f6;
}

.company-btn {
    background: var(--company-gradient);
    box-shadow: 0 8px 16px rgba(59, 130, 246, 0.2);
}

.candidate-card::before {
    background: var(--candidate-gradient);
}

.candidate-card:hover {
    border-color: #10b981;
}

.candidate-btn {
    background: var(--candidate-gradient);
    box-shadow: 0 8px 16px rgba(16, 185, 129, 0.2);
}

.agency-card::before {
    background: var(--agency-gradient);
}

.agency-card:hover {
    border-color: #a855f7;
}

.agency-btn {
    background: var(--agency-gradient);
    box-shadow: 0 8px 16px rgba(168, 85, 247, 0.2);
}

/* Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Adjustments */
@media (max-height: 600px) {
    body {
        justify-content: flex-start;
    }
    .portal-grid {
        padding-bottom: 40px;
    }
}

@media (max-width: 600px) {
    body {
        padding: 40px 16px;
        justify-content: flex-start;
    }
    .portal-grid {
        grid-template-columns: 1fr;
    }
    .portal-card {
        min-height: auto;
        padding: 40px 24px;
    }
}