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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(145deg, #f6f9fc 0%, #e9f0f5 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

/* main card – glassmorphism + soft shadows */
.login-card {
    max-width: 480px;
    width: 100%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 2rem;
    padding: 2.5rem 2rem 2.2rem;
    box-shadow: 0 20px 40px -12px rgba(0, 20, 30, 0.25),
        0 8px 24px -6px rgba(0, 32, 64, 0.08);
    transition: transform 0.2s ease;
}

.login-card:hover {
    transform: scale(1.002);
}

/* brand / logo area */
.brand-icon {
    background: linear-gradient(135deg, #0b5e8a 0%, #1a7ab5 100%);
    width: 64px;
    height: 64px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    box-shadow: 0 8px 16px -6px rgba(10, 70, 110, 0.3);
    margin-bottom: 0.75rem;
}

.login-title {
    font-weight: 700;
    font-size: 1.9rem;
    letter-spacing: -0.02em;
    color: #0b2b3f;
    margin-bottom: 0.25rem;
}

.login-sub {
    color: #4d6a7e;
    font-weight: 400;
    font-size: 0.95rem;
    margin-bottom: 2rem;
    border-left: 3px solid #1a7ab5;
    padding-left: 0.75rem;
}

.form-floating>.form-control {
    border-radius: 14px;
    border: 1px solid #dbe4ec;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(2px);
    transition: all 0.2s;
    font-weight: 500;
    padding: 1rem 0.75rem;
    height: calc(3.8rem + 2px);
}

.form-floating>.form-control:focus {
    border-color: #1a7ab5;
    box-shadow: 0 0 0 4px rgba(26, 122, 181, 0.15);
    background: white;
}

.form-floating>label {
    padding: 1rem 0.75rem;
    font-weight: 500;
    color: #3f5a6b;
}

.input-group-text {
    background: transparent;
    border: none;
    color: #4d6a7e;
    padding-right: 0.25rem;
    font-size: 1.2rem;
}

.input-group .form-control {
    border-left: none;
    padding-left: 0.25rem;
}

.input-group {
    border-radius: 14px;
    border: 1px solid #dbe4ec;
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(2px);
    transition: all 0.2s;
    overflow: hidden;
}

.input-group:focus-within {
    border-color: #1a7ab5;
    box-shadow: 0 0 0 4px rgba(26, 122, 181, 0.12);
    background: white;
}

.input-group .form-control {
    border: none;
    background: transparent;
    box-shadow: none !important;
    padding: 1rem 0.75rem 1rem 0.25rem;
    height: calc(3.8rem + 2px);
    font-weight: 500;
}

.input-group .form-control:focus {
    border: none;
    box-shadow: none !important;
    background: transparent;
}

.input-group .input-group-text {
    background: transparent;
    border: none;
    padding-left: 0.9rem;
}

.form-check-input {
    border-radius: 6px;
    border: 2px solid #b6ccdd;
    margin-top: 0.2rem;
}

.form-check-input:checked {
    background-color: #1a7ab5;
    border-color: #1a7ab5;
}

.form-check-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: #1f3b4b;
}

.btn-login {
    background: linear-gradient(135deg, #0f5e8a 0%, #1a7ab5 100%);
    border: none;
    border-radius: 40px;
    padding: 0.9rem 1.5rem;
    font-weight: 600;
    font-size: 1.05rem;
    letter-spacing: 0.3px;
    color: white;
    box-shadow: 0 8px 18px -6px rgba(20, 90, 140, 0.4);
    transition: all 0.2s;
    width: 100%;
}

.btn-login:hover {
    background: linear-gradient(135deg, #0a4f77 0%, #146b9e 100%);
    box-shadow: 0 12px 24px -8px rgba(10, 70, 120, 0.5);
    transform: translateY(-2px);
    color: white;
}

.btn-login:active {
    transform: scale(0.98);
    box-shadow: 0 4px 12px -4px rgba(10, 70, 120, 0.5);
}

.forgot-link,
.signup-link {
    color: #1a6a97;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.15s;
    font-size: 0.9rem;
}

.forgot-link:hover,
.signup-link:hover {
    color: #0c4468;
    text-decoration: underline;
}

.divider-text {
    color: #6b8ba0;
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 0.3px;
    background: transparent;
    padding: 0 0.5rem;
}

hr {
    opacity: 0.5;
    margin: 0.5rem 0;
}

.social-btn {
    border-radius: 40px;
    border: 1px solid #d4e0e9;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(2px);
    padding: 0.5rem 1rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: #1f3b4b;
    transition: all 0.15s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex: 1;
}

.social-btn:hover {
    background: white;
    border-color: #b0c8da;
    box-shadow: 0 4px 10px -4px rgba(0, 0, 0, 0.05);
}

.social-btn i {
    font-size: 1.1rem;
    color: #1f3b4b;
}

/* extra small devices */
@media (max-width: 420px) {
    .login-card {
        padding: 1.8rem 1.2rem;
    }

    .login-title {
        font-size: 1.6rem;
    }
}

/* small tweaks for floating labels */
.form-floating>.form-control:not(:placeholder-shown)~label {
    opacity: 0.75;
    transform: scale(0.8) translateY(-0.5rem) translateX(0.2rem);
}

/* remove number input arrows */
input[type=number]::-webkit-inner-spin-button,
input[type=number]::-webkit-outer-spin-button {
    -webkit-appearance: none;
}

input[type=number] {
    -moz-appearance: textfield;
}