/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-pink: #ff6b9d;
    --secondary-pink: #ff8fab;
    --light-pink: #ffc2d1;
    --dark-pink: #c9184a;
    --deep-pink: #ff006e;
    --rose: #fb6f92;
    --lavender: #ffe5ec;
    --white: #ffffff;
    --cream: #fff0f3;
    --gold: #ffd700;
    --shadow: rgba(255, 107, 157, 0.3);
    --error: #ff4757;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, var(--lavender) 0%, var(--cream) 50%, var(--light-pink) 100%);
    min-height: 100vh;
    overflow-x: hidden;
    color: var(--dark-pink);
}

/* ===== ÜRƏK YAĞIŞI CANVAS ===== */
#heartRain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
}

/* ===== BACKGROUND ANIMATION ===== */
.bg-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
    overflow: hidden;
}

.floating-heart {
    position: absolute;
    width: 30px;
    height: 30px;
    background: var(--primary-pink);
    transform: rotate(45deg);
    opacity: 0.1;
    animation: float 15s infinite ease-in-out;
}

.floating-heart::before,
.floating-heart::after {
    content: '';
    position: absolute;
    width: 30px;
    height: 30px;
    background: var(--primary-pink);
    border-radius: 50%;
}

.floating-heart::before {
    left: -15px;
}

.floating-heart::after {
    top: -15px;
}

.floating-heart:nth-child(1) { left: 10%; animation-delay: 0s; animation-duration: 12s; }
.floating-heart:nth-child(2) { left: 20%; animation-delay: 2s; animation-duration: 15s; }
.floating-heart:nth-child(3) { left: 30%; animation-delay: 4s; animation-duration: 18s; }
.floating-heart:nth-child(4) { left: 40%; animation-delay: 1s; animation-duration: 14s; }
.floating-heart:nth-child(5) { left: 50%; animation-delay: 3s; animation-duration: 16s; }
.floating-heart:nth-child(6) { left: 60%; animation-delay: 5s; animation-duration: 13s; }
.floating-heart:nth-child(7) { left: 70%; animation-delay: 2s; animation-duration: 17s; }
.floating-heart:nth-child(8) { left: 80%; animation-delay: 4s; animation-duration: 15s; }
.floating-heart:nth-child(9) { left: 90%; animation-delay: 1s; animation-duration: 19s; }
.floating-heart:nth-child(10) { left: 5%; animation-delay: 6s; animation-duration: 14s; }

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(45deg) scale(0.5);
        opacity: 0;
    }
    10% {
        opacity: 0.15;
    }
    90% {
        opacity: 0.15;
    }
    100% {
        transform: translateY(-100vh) rotate(45deg) scale(1.2);
        opacity: 0;
    }
}

/* ===== LOGIN CONTAINER ===== */
.login-container {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    position: relative;
    z-index: 1;
}

.login-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 230, 235, 0.95) 100%);
    border-radius: 30px;
    padding: 3rem;
    width: 100%;
    max-width: 500px;
    box-shadow: 0 25px 80px var(--shadow);
    border: 3px solid var(--light-pink);
    animation: cardAppear 1s ease-out;
    position: relative;
    overflow: hidden;
}

.login-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 107, 157, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes cardAppear {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* ===== LOGIN HEADER ===== */
.login-header {
    text-align: center;
    margin-bottom: 2.5rem;
    position: relative;
    z-index: 1;
}

.names-decoration {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.name-login {
    font-family: 'Great Vibes', cursive;
    font-size: clamp(2rem, 8vw, 3.5rem);
    background: linear-gradient(135deg, var(--dark-pink) 0%, var(--primary-pink) 50%, var(--rose) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow 3s ease-in-out infinite alternate;
}

@keyframes glow {
    from {
        filter: drop-shadow(0 0 10px var(--shadow));
    }
    to {
        filter: drop-shadow(0 0 30px var(--shadow)) drop-shadow(0 0 50px var(--shadow));
    }
}

.infinity-login {
    width: 60px;
    height: 30px;
    color: var(--primary-pink);
    animation: pulse 2s ease-in-out infinite;
}

.infinity-svg-login {
    width: 100%;
    height: 100%;
}

.infinity-path-login {
    stroke: var(--primary-pink);
    stroke-linecap: round;
    stroke-dasharray: 200;
    stroke-dashoffset: 200;
    animation: drawInfinity 3s ease-out forwards, pulseStroke 2s ease-in-out infinite 3s;
}

@keyframes drawInfinity {
    to {
        stroke-dashoffset: 0;
    }
}

@keyframes pulseStroke {
    0%, 100% {
        stroke-width: 4;
    }
    50% {
        stroke-width: 6;
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

.lock-icon {
    position: relative;
    display: inline-block;
    margin-bottom: 1rem;
}

.lock-icon i {
    font-size: 3rem;
    color: var(--primary-pink);
    animation: heartbeat 1.5s ease-in-out infinite;
}

.heart-beat {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: radial-gradient(circle, var(--light-pink) 0%, transparent 70%);
    border-radius: 50%;
    animation: heartBeat 2s ease-in-out infinite;
    z-index: -1;
}

@keyframes heartBeat {
    0%, 100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0;
    }
}

@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    25% {
        transform: scale(1.2);
    }
    50% {
        transform: scale(1);
    }
    75% {
        transform: scale(1.2);
    }
}

.login-title {
    font-family: 'Great Vibes', cursive;
    font-size: clamp(1.8rem, 5vw, 2.5rem);
    color: var(--dark-pink);
    margin-bottom: 0.5rem;
}

.login-subtitle {
    color: var(--secondary-pink);
    font-size: 1rem;
    font-weight: 400;
}

/* ===== LOGIN FORM ===== */
.login-form {
    position: relative;
    z-index: 1;
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--dark-pink);
    font-weight: 600;
    font-size: 0.95rem;
}

.input-group label i {
    color: var(--primary-pink);
}

.input-wrapper {
    position: relative;
}

.input-wrapper input {
    width: 100%;
    padding: 1rem 3rem 1rem 1rem;
    border: 2px solid var(--light-pink);
    border-radius: 15px;
    font-size: 1rem;
    font-family: 'Poppins', sans-serif;
    background: var(--white);
    color: var(--dark-pink);
    transition: all 0.3s ease;
    outline: none;
}

.input-wrapper input:focus {
    border-color: var(--primary-pink);
    box-shadow: 0 0 20px var(--shadow);
    transform: translateY(-2px);
}

.input-wrapper input::placeholder {
    color: var(--secondary-pink);
    opacity: 0.7;
}

.input-icon {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--light-pink);
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.input-wrapper input:focus ~ .input-icon {
    color: var(--primary-pink);
    animation: heartbeat 1s ease-in-out infinite;
}

.toggle-password {
    position: absolute;
    right: 3rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--secondary-pink);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0.5rem;
    transition: color 0.3s ease;
}

.toggle-password:hover {
    color: var(--primary-pink);
}

/* ===== ERROR MESSAGE ===== */
.error-message {
    display: none;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid var(--error);
    border-radius: 10px;
    color: var(--error);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    animation: shake 0.5s ease-in-out;
}

.error-message.show {
    display: flex;
}

.error-message i {
    font-size: 1.2rem;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

/* ===== LOGIN BUTTON ===== */
.login-btn {
    width: 100%;
    padding: 1.2rem;
    border: none;
    border-radius: 15px;
    background: linear-gradient(135deg, var(--primary-pink) 0%, var(--dark-pink) 100%);
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 600;
    font-family: 'Poppins', sans-serif;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: 0 10px 30px var(--shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.login-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px var(--shadow);
}

.login-btn:active {
    transform: translateY(-1px);
}

.btn-text {
    position: relative;
    z-index: 2;
}

.btn-hearts {
    display: flex;
    gap: 0.3rem;
    position: relative;
    z-index: 2;
}

.btn-hearts i {
    font-size: 0.8rem;
    animation: heartbeat 1.5s ease-in-out infinite;
}

.btn-hearts i:nth-child(2) {
    animation-delay: 0.2s;
}

.btn-hearts i:nth-child(3) {
    animation-delay: 0.4s;
}

.btn-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.login-btn:hover .btn-shine {
    left: 100%;
}

/* ===== LOGIN FOOTER ===== */
.login-footer {
    margin-top: 2rem;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hint-text {
    color: var(--secondary-pink);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.hint-text i {
    color: var(--primary-pink);
}

.hint-text strong {
    color: var(--dark-pink);
    background: var(--light-pink);
    padding: 0.2rem 0.5rem;
    border-radius: 5px;
}

/* ===== LOADING OVERLAY ===== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--lavender) 0%, var(--cream) 50%, var(--light-pink) 100%);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    opacity: 0;
    transition: opacity 0.5s ease;
}

.loading-overlay.show {
    display: flex;
    opacity: 1;
}

.loading-content {
    text-align: center;
}

.loading-hearts {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.loading-hearts i {
    font-size: 3rem;
    color: var(--primary-pink);
    animation: heartbeat 1s ease-in-out infinite;
}

.loading-hearts i:nth-child(2) {
    animation-delay: 0.2s;
    font-size: 4rem;
    color: var(--deep-pink);
}

.loading-hearts i:nth-child(3) {
    animation-delay: 0.4s;
}

.loading-text {
    font-family: 'Great Vibes', cursive;
    font-size: 2rem;
    color: var(--dark-pink);
    margin-bottom: 2rem;
}

.loading-bar {
    width: 250px;
    height: 6px;
    background: var(--light-pink);
    border-radius: 3px;
    overflow: hidden;
    margin: 0 auto;
}

.loading-progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-pink), var(--dark-pink));
    border-radius: 3px;
    width: 0%;
    animation: loading 2s ease-out forwards;
}

@keyframes loading {
    0% { width: 0%; }
    100% { width: 100%; }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 480px) {
    .login-card {
        padding: 2rem 1.5rem;
    }
    
    .names-decoration {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .infinity-login {
        transform: rotate(90deg);
    }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--lavender);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-pink) 0%, var(--dark-pink) 100%);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--dark-pink) 0%, var(--primary-pink) 100%);
}

/* ===== SELECTION ===== */
::selection {
    background: var(--primary-pink);
    color: var(--white);
}