/* FILE: assets/css/login.css */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=DM+Sans:wght@400;500;600;700&display=swap');

/* ================= PREMIUM NEUMORPHIC VARIABLES ================= */
:root {
    --color-primary: #6B9BD1;
    --color-secondary: #5BB3A0;
    --color-accent-warm: #F4A583;
    --color-light-cream: #F5F3FF;
    --color-white: #FFFFFF;
    --color-text-dark: #2C3E50;
    --color-text-muted: #6B7280;
    
    --shadow-soft-sm: 0 4px 15px rgba(107, 155, 209, 0.08);
    --shadow-soft-md: 0 8px 28px rgba(107, 155, 209, 0.12);
    --shadow-soft-lg: 0 12px 45px rgba(107, 155, 209, 0.15);
    
    --transition-smooth: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition-ease: all 0.3s ease-in-out;
}

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

h1, h2, h3, h4, .form-header { 
    font-family: 'Outfit', sans-serif; 
    font-weight: 700; 
}

html, body { 
    width: 100%; 
    min-height: 100vh; 
    background: linear-gradient(135deg, var(--color-light-cream) 0%, #FBF8FF 100%);
    color: var(--color-text-dark); 
    overflow-x: hidden; 
    position: relative; 
    display: flex; 
    flex-direction: column;
    align-items: center; 
    padding: 20px 15px;
}

/* Floating Organic Shapes */
body::before {
    content: '';
    position: fixed;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(107, 155, 209, 0.08) 0%, transparent 70%);
    border-radius: 45% 55% 52% 48% / 48% 45% 55% 52%;
    top: -10%;
    right: -10%;
    animation: float-shape 10s ease-in-out infinite;
    z-index: 0;
}

body::after {
    content: '';
    position: fixed;
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(91, 179, 160, 0.06) 0%, transparent 70%);
    border-radius: 52% 48% 45% 55% / 55% 52% 48% 45%;
    bottom: -5%;
    left: -10%;
    animation: float-shape-rev 12s ease-in-out infinite;
    z-index: 0;
}

@keyframes float-shape {
    0%, 100% { transform: translate(0px, 0px) rotate(0deg); }
    50% { transform: translate(-30px, 30px) rotate(180deg); }
}

@keyframes float-shape-rev {
    0%, 100% { transform: translate(0px, 0px) rotate(0deg); }
    50% { transform: translate(30px, -30px) rotate(-180deg); }
}

.main-wrapper { 
    position: relative; 
    z-index: 2; 
    width: 100%; 
    max-width: 440px; 
    animation: fadeInUp 0.8s ease forwards; 
}

@keyframes fadeInUp { 
    from { opacity: 0; transform: translateY(30px); } 
    to { opacity: 1; transform: translateY(0); } 
}

.header-content { 
    text-align: center; 
    margin-bottom: 15px; 
}

.logo-circle { 
    width: 65px; 
    height: 65px; 
    background: var(--color-white); 
    border-radius: 18px; 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    margin: 0 auto 10px auto; 
    box-shadow: var(--shadow-soft-md); 
    border: 1px solid rgba(107, 155, 209, 0.08);
}

.logo-circle img { 
    width: 42px; 
    height: auto; 
    border-radius: 10px;
}

.header-content h1 { 
    font-size: 22px; 
    color: var(--color-text-dark); 
    letter-spacing: -0.02em; 
    margin-bottom: 4px; 
}

.header-content h1 span { 
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary)); 
    -webkit-background-clip: text;
    background-clip: text; 
    -webkit-text-fill-color: transparent; 
}

.header-content p.subtitle { 
    font-size: 13px; 
    color: var(--color-text-muted); 
    font-weight: 500;
}

.card-container { 
    background: rgba(255, 255, 255, 0.85); 
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    width: 100%; 
    border-radius: 24px; 
    padding: 25px 20px 15px 20px; 
    box-shadow: var(--shadow-soft-lg); 
    border: 1px solid rgba(255, 255, 255, 1);
    text-align: center; 
    margin-bottom: 15px; 
    position: relative; 
    overflow: hidden; 
}

.tabs-menu { 
    display: grid; 
    grid-template-columns: repeat(2, 1fr); 
    background: rgba(107, 155, 209, 0.06); 
    border-radius: 14px; 
    padding: 4px; 
    margin-top: 10px; 
    margin-bottom: 5px; 
    gap: 6px; 
}

.tab-link { 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    gap: 6px; 
    padding: 10px 5px; 
    color: var(--color-text-muted); 
    font-size: 12px; 
    font-weight: 700; 
    cursor: pointer; 
    border-radius: 10px; 
    transition: var(--transition-ease); 
}

.tab-link:hover { 
    color: var(--color-primary); 
    background: rgba(107, 155, 209, 0.08); 
}

.tab-link.active { 
    background: var(--color-white); 
    box-shadow: var(--shadow-soft-sm); 
    transform: translateY(-1px); 
}

.tab-link[data-target="pane-login"].active { color: var(--color-primary); }
.tab-link[data-target="pane-aktivasi"].active, .tab-link[data-target="pane-lupa"].active { color: var(--color-secondary); }
.tab-link[data-target="pane-ubah_perangkat"].active { color: var(--color-accent-warm); }

.form-pane { display: none; }
.form-pane.active { display: block; animation: fadeTab 0.4s ease; }
@keyframes fadeTab { 
    from { opacity: 0; transform: translateY(15px); } 
    to { opacity: 1; transform: translateY(0); } 
}

.notif-error { 
    background: #fce8e6; 
    color: #c5221f; 
    padding: 12px 16px; 
    border-radius: 14px; 
    font-size: 13px; 
    margin-bottom: 20px; 
    font-weight: 600; 
    text-align: left; 
    border-left: 4px solid #c5221f; 
}

.notif-sukses { 
    background: #e6f4ea; 
    color: #137333; 
    padding: 12px 16px; 
    border-radius: 14px; 
    font-size: 13px; 
    margin-bottom: 20px; 
    font-weight: 600; 
    text-align: left; 
    border-left: 4px solid #137333; 
}

.form-header { 
    margin-bottom: 15px; 
    font-size: 16px; 
    color: var(--color-text-dark); 
    padding-bottom: 10px; 
    border-bottom: 1px solid rgba(107, 155, 209, 0.1); 
}

.input-group { 
    position: relative; 
    margin-bottom: 12px; 
    text-align: left; 
}

.input-group input { 
    width: 100%; 
    padding: 12px 40px 12px 15px; 
    border: 1px solid rgba(107, 155, 209, 0.15); 
    border-radius: 12px; 
    font-size: 13px; 
    background-color: #FAFBFF; 
    outline: none; 
    transition: var(--transition-ease); 
    color: var(--color-text-dark); 
}

.input-group input:focus { 
    border-color: var(--color-primary); 
    box-shadow: 0 0 0 4px rgba(107, 155, 209, 0.15); 
    background-color: var(--color-white); 
}

.input-group i { 
    position: absolute; 
    right: 15px; 
    top: 50%; 
    transform: translateY(-50%); 
    color: var(--color-text-muted); 
    font-size: 15px; 
    transition: var(--transition-ease); 
}

.input-group input:focus + i { color: var(--color-primary); }

.pane-warga .input-group input:focus { 
    border-color: var(--color-secondary); 
    box-shadow: 0 0 0 4px rgba(91, 179, 160, 0.15); 
}
.pane-warga .input-group input:focus + i { color: var(--color-secondary); }

.pane-perangkat .input-group input:focus { 
    border-color: var(--color-accent-warm); 
    box-shadow: 0 0 0 4px rgba(244, 165, 131, 0.15); 
}
.pane-perangkat .input-group input:focus + i { color: var(--color-accent-warm); }

.show-pass-area { 
    display: flex; 
    align-items: center; 
    margin-bottom: 15px; 
    font-size: 12px; 
    color: var(--color-text-muted); 
    font-weight: 500; 
}

.show-pass-area input { 
    margin-right: 8px; 
    cursor: pointer; 
    accent-color: var(--color-primary); 
    width: 14px;
    height: 14px;
}

.btn-login { 
    width: 100%; 
    padding: 14px; 
    color: var(--color-white); 
    border: none; 
    border-radius: 50px; 
    font-size: 14px; 
    font-weight: 700; 
    cursor: pointer; 
    transition: var(--transition-smooth); 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    gap: 8px; 
    letter-spacing: 0.3px; 
    position: relative;
    overflow: hidden;
}

.btn-primary-style { 
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%); 
    box-shadow: 0 6px 18px rgba(107, 155, 209, 0.2); 
}
.btn-warga { 
    background: linear-gradient(135deg, var(--color-secondary) 0%, #4AA390 100%); 
    box-shadow: 0 6px 18px rgba(91, 179, 160, 0.2); 
}
.btn-perangkat { 
    background: linear-gradient(135deg, var(--color-accent-warm) 0%, #E49573 100%); 
    box-shadow: 0 6px 18px rgba(244, 165, 131, 0.2); 
}

.btn-login::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left 0.4s ease;
}

.btn-login:hover::before { left: 100%; }
.btn-login:hover { transform: translateY(-3px); }
.btn-primary-style:hover { box-shadow: 0 10px 25px rgba(107, 155, 209, 0.3); }
.btn-warga:hover { box-shadow: 0 10px 25px rgba(91, 179, 160, 0.3); }
.btn-perangkat:hover { box-shadow: 0 10px 25px rgba(244, 165, 131, 0.3); }

.btn-login i { transition: var(--transition-ease); }
.btn-login:hover i { transform: translateX(4px); }

.back-link { 
    display: inline-flex; 
    align-items: center; 
    justify-content: center;
    gap: 8px; 
    text-decoration: none; 
    color: var(--color-text-muted); 
    font-size: 13px; 
    font-weight: 600; 
    margin-top: 0px; 
    transition: var(--transition-ease); 
    padding: 5px 8px; 
}

.back-link:hover { 
    color: var(--color-primary); 
    transform: translateX(-4px); 
}

/* Premium Neumorphic Logo Support Box */
.institusi-support-box { 
    background: rgba(255, 255, 255, 0.6); 
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    width: 100%; 
    border-radius: 20px; 
    padding: 15px; 
    box-shadow: var(--shadow-soft-md); 
    border: 1px solid rgba(255, 255, 255, 0.8); 
    text-align: center; 
    margin-bottom: 10px; 
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.institusi-support-box span {
    font-size: 10px;
    color: var(--color-text-muted);
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
}

.institusi-support-box .logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px; 
}

.institusi-support-box img {
    height: 36px; 
    width: auto;
    filter: drop-shadow(0 2px 5px rgba(0,0,0,0.06));
    transition: var(--transition-ease);
}

.institusi-support-box img:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
}

@media (max-width: 480px) {
    .card-container { padding: 20px 15px 12px 15px; } 
    .header-content h1 { font-size: 20px; }
    .tab-link { font-size: 11px; padding: 10px 2px; }
    .institusi-support-box img { height: 30px; } 
}